WESTLOCK阀位开关、WESTLOCK开关、WESTLOCK阀位回讯器、WESTLOCK变送器
上海航欧销售WESTLOCK阀位开关WESTLOCK开关WESTLOCK阀位回讯器WESTLOCK变送器
WESTLOCK西锁公司是的阀门位置产品制造厂家。产品有:AccuTrak旋转阀门位置器、阀位回讯器、位置变送器、等WESTLOCK
WESTLOCK阀位开关
WESTLOCK开关
WESTLOCK阀位回讯器
上海航欧机电设备有限公司从事进口机电设备、仪器仪表等备品备件的销售,是经营世界各地进口设备机电配件的企业。上海航欧公司与众多品牌电子元件供应商建立有良好的合作关系,在欧美、日本等地形成了稳定的供应网络,良好的供应商关系和多年的行业经验,使我们在价格及货期上有优势。
WESTLOCK阀位开关、WESTLOCK开关、WESTLOCK阀位回讯器、WESTLOCK变送器
5310I-ISEVBA2,
784-BY-M2-FSO-4200-MO,(IWLS784M2FSO4200MO),
ICOT5230-NI-E-HK-A-O-B,
ICOT5310H-SEVBA2BN,
BA-F1S-657/66730-70,
PB306-BY-00-22AD,
SW-010302UK,
SW-040302UK,
SB40557,
XT-90LP05506880
43XV0617BValveLimitSwitch
Manufacturer:WestlockControl
PB308-BY00-22AD,
B-SW-10000XT906850,
LDNO:S-2007F-MA-CS2,
M20TO1/2NPT-PLUG-069,
NFB327A011/WPISG5
51A307MO,
B-EL-30264,
XNNN-0210,
XNNN-02T0,XNNN-02A0
81-20516-A2,
11-12310-00,
21-11510-A2,2549BYSECC21BDB-00
2249BYS00021CDB-00
3447-BY-00-22DW-000
3447SBYS0CS22AAA-00
C3479-NO-W300
34793B2M0600019U
8649-DB18
8649-DB18-NR1
8649-DB22-NR1
8649-DB23-NR1
BOLTSWITCHES-BMSERIES
BOLTSWITCHES-BFSERIES
BFT1C3-1,BFT1C3-2,BFT1C4-1,
BFT1C4-2,BFT2C3-1,BFT2C3-2,
BFT2C4-1,BFT2C4-2,BMT1C3-1,
BMT1C3-2,BMT1C4-1,BMT1C4-2,
BMT2C3-1,BMT2C3-2,BMT2C4-1,BMT2C4-2
2649BYN00022KA000供应西锁WESTLOCK阀门开关型号:2649BYN00022KAQ,电磁阀等WESTLOCKWESTLOCK阀门反馈信号开关WESTLOCK阀位开关
EC2000,AccuTrak2200,AccuTrak2600,AccuTrak3400,AccuTrak4000,AccuTrak4040,4080,AccuTrak9900,9918,E9920,E9881,MicroSwitchV3,V5QQ4007280801,MAGNUMXT-90,3479,MicroSwitchV5J012BB1D,V5B010CB3D,NJ2-V3-N,AccuTrak2004AN,TCRMVAZ,2004AN-BY-2DPDT-16PT,2007X-BY-E76
2007X-BY-E183,2085A-2DPDT-CS,2147-BY-00-22AD-000,2249-BY-00-22AD-000,
2402ZSC20709,2402ZSC20714,2640-BY-CS-02AD-000,2640-BY-N-015-02BHP-00,4-20mAATEXEexdIICT6,2645-BY-00-2200-000,
2869-00-00-2200-0002SPDT2XM202A/24VDCEexdIICT6,4080-BY-2SPDT,4080-BY-K10,3447ABTN00022ABC-00(2247-BY),722A-BY-M19-FIO-4300-MO,9479-BY-2SPDT,BA-FIS-657/66730-70,ICoT5230-NI-E-HK-A-O-B,ICoT5310I-ISEVBA2BN,PB306-BY0022AD,
M20to1/2NPT-PLUG-069转换接头,2640-BY-CS-02AD
722A-BY-Q300西锁-000,(2640-BY-N-015-02BHP-00)
722-BY-M9-FIO-4300
2645-BY-00-2200-000,
2645-BY-00-22AD-000,
2645-BY-CS-22AD-00,
2645-BYK00022FAN-00,
2646-BY-00-22AD-000,
2647-BY-00-22AD-000,
2648-BY-00-22AD-000,
2649-BY-00-22DW-000,
2649-BYK00022BSW-00,
2649BYK00022BSW-00,
2649BYN00022BNF-00,(2649BYS00022BNF-00),
2649BYN00022BER-00,
2649BYN00022ADZ-00,
2649BYK00022ADZ-00,
2649BYS00022BDV-00,
2649-BY-KOCS-22AAA-00,
2649-BY-00-22AD-000,
2869-00-00-2200-000,
2269-00-00-2200-000,
2260-00-CS-0200-000,
2245BYN00052BCG-00,
2245-BY-00-22AD-000,
2245-BY-22AD-000,
2246-BY-00-22AD-000,
2245-BY,
2247-BY,
2265-00-00-2200-000,
2249-BY-00-22AD-000,
2246-BY-00-22AD-000,
2247-BY-000-22AD-000,
2247-BY-00-22AD-000,
2147-BY-00-22AD-000,
2147-BY-00-22VK-000,
2147-BY-00-22ZB-000,
2085A-2DPDT-CS,
2085A-NO-D36,
2085A-NO-D34,(2085A-2DPDT-CS),
2004AN-BY-2DPDT-16PT,
2004AN-BY-2DPDT,
2004A-BY-2SPDT-UK,
2004A-BY-2DPDT,
2004N-BY-2DPDT-UK,
2004-BY-C16,(2004A-BY-2DPDT),
2004SFC2A2MO4CSV),
2004SFC2A2M0200,
2004SFC2A2M0200U,
2004SF2A2M04CSU,
2004SBY2A2M0200,
2004AN-BY-2DPDT-16PT,
2004NBY2A2M0200,
2004NBY2A2M0400,
2004NBY2A2M040000412,
2007KBY2B4M0200U,
2007SBY2B2M02CS45U,
2007SBY4E2M0300-UK,
2007-BY-2M2-1M4-UK,
M20TO 1/2NPT-PLUG-069,
NFB327A011/WPISG551A307MO,
B-EL-30264,
XNNN-0210,
XNNN-02T0,XNNN-02A0
81-20516-A2,
11-12310-00,
21-11510-A2,
70-15541-531,
DXP-M21GNEB,
TXP-L22GLEM,
TXP-L22GNE,
TXP-L22GNEM,
DVC-AS-Z2-B-P,
DVC-AS-Z2-B-P-S45,
ZNB327A002,
STN16-SPDT,
GGBA-0124,
H2-1Z43C3G411,
2549BYSECC21BDB-00
2249BYS00021CDB-00
3447-BY-00-22DW-000
3447SBYS0CS22AAA-00
C3479-NO-W300
34793B2M0600019U
8649-DB18
8649-DB18-NR1
8649-DB22-NR1
8649-DB23-NR1
722SBY1A2M1200I570MUQQ4007280801,(722-BY-M6-F10-4700-MO)
722SBY1A2M0800530MU,(722-BY-M8-F10-4200-MO)
722SBY1A2M1200530MU,(722-BY-M12-F10-5300-MO)
2147-BY-00-22AD-000
B-VA-30060,(VA30060)
B-VA-30016-004
2247-BYS-00022-BAZ-00,2247ABYS00022BAZ-AR1
BOLT SWITCHES - BM SERIES
BOLT SWITCHES - BF SERIES
BFT1C3-1,BFT1C3-2,BFT1C4-1,
BFT1C4-2,BFT2C3-1,BFT2C3-2,
BFT2C4-1,BFT2C4-2,BMT1C3-1,
BMT1C3-2,BMT1C4-1,BMT1C4-2,
BMT2C3-1,BMT2C3-2,BMT2C4-1,BMT2C4-22640-BY-CS-02AD-000,(2640-BY-N-015-02BHP-00)
2645-BY-00-2200-000,
2645-BY-00-22UT-00,
2645-BY-00-22AD-000,
2645-BY-CS-22AD-00,
2645-CSF1
2649-CSF2
2645-BYCS22AD000QQ4007280801,(2645ABYNOCS22AAA-AR1)
2649-BYKOCSAAA00,(2629ABYKOCS22AAA-AR1)
2649BYK00022BSW-00,(2649ABYK0022BSW-AR1)
2645-BYK00022FAN-00,
2645BYN00022FAN-00
2645BYK00022BUQ-00
2645BYK00022SAC-00
2646-BY-00-22AD-000,
2647-BY-00-22AD-000,
2648-BY-00-22AD-000,
2649-BY-00-22DW-000,
2649-BYK00022BSW-00,
2649BYS00022QAM-00
2649BYN00022KAQ-00
2649BYK00022BSW-00,
2649BYN00022BNF-00,(2649BYS00022BNF-00),
2649BYN00022BER-00,
2649BYN00022ADZ-00,
2649BYK00022ADZ-00,
2649BYS00022BDV-00,
2649-BY-KOCS-22AAA-00,
2649-BY-00-22AD-000,
2869-00-00-2200-000,
2269-00-00-2200-000,
2260-00-CS-0200-000,
2245BYN00052BCG-00,
2245-BY-00-22AD-000,
2245-BY-22AD-000,
2246-BY-00-22AD-000,
2245-BY,
2247-BY,
2265-00-00-2200-000,
2249-BY-00-22AD-000,
2246-BY-00-22AD-000,
2247-BY-000-22AD-000,
2247-BY-00-22AD-000,
2147-BY-00-22AD-000,
2147-BY-00-22VK-000,
2147-BY-00-22ZB-000,
2085A-2DPDT-CS,
2085A-NO-D36,
2085A-NO-D34QQ4007280801,(2085A-2DPDT-CS),
2004AN-BY-2DPDT-16PT,
2004AN-BY-2DPDT,
2004A-BY-2SPDT-UK,
2004A-BY-2DPDT,
2004N-BY-2DPDT-UK,
2004-BY-C16,(2004A-BY-2DPDT),
2004SFC2A2MO4CSV),
2004SFC2A2M0200,
2004SFC2A2M0200U,
2004SF2A2M04CSU,
2004SBY2A2M0200,
2004AN-BY-2DPDT-16PT,
2004NBY2A2M0200,
2004NBY2A2M0400,
2004AN-BY-C302,
2004NBY2A2M040000412,
2007KBY2B4M0200U,
2007SBY2B2M02CS45U,
2007SBY4E2M0300-UK,
2007-BY-2M2-1M4-UK,
2007-BY-2SPDT-UL,
2007X-BY-E76,
2007X-BY-E183,(2007X-BY-2DPDT-CS),
2007XN-BY-2SPDTQQ4007280801,
2007X-BY-2SPDT,
2007X-BY-E15,(2007X-BY-2DPDT-CS),
2007X-BY-E96,(2007-BY-2M2-1M4-UK),
2007X-BY-E76,(2007X-BY-2DPDT-CS-OK),
2402ZSC20709,
2402ZSC20714,
4080-BY-2SPDT,
4330-NI-E-HB-A-0-B,
1040SFC2A2M0200,
1040-BY-N-2SPDT,
1065-2SPDT-UK,
3045-BY-00-22AD-000
3046-BY-00-22AD-000
3047-BY-00-22AD-000,
3049-BY-00-22AD-000
3645-BY-N-ACA
3447ABTN00022ABC-00,(2247-BY),
3465-00-CS-22AD-000QQ4007280801,
346700S0CS22FAD-00,
3445-BY,
3479-TT2,
3460A00SOCS01AAA-00,
3447SBYS00022BNE-00,
3447ABYN00022ABC-00,
3447ABY-00-22AD-000,
3447ABY-00-33AD-000,
3447BYN00022ABY-00,(3447BYS00022ABY-00),
3045-BY-00-22AD-000,
3046-BY-00-22AD-000,(PB306-BY-00-22AD-000),
360NCMBYM6BC122AAA-UKQQ4007280801,
360NCMBY2M6XSO2600-UK,
360NCM-BY-D14,
360NBY3B2M0200U,
360-BY-M2,
9044-BY-2SPDT-UK,
9468NBY2M12(3)3/4-UK,
9748,
9479-BY-2SPDT,
9479N-BY-DT,(9479NDT),
9479DT,9479SBY2B2M06DTU
9479-N-BY-PTB-BBC-U,
C9479N-BY-2SPDT,(C9479N-BY-V30),
E9479-BY-2SPDT-UK,
2549BYSECC21BDB-00,2249BYS00021CDB-00
722A-BY-M9-FIO-4300-MO,
722ABYM9FIO4200M-UK,
711NBY1A2M0900I2700U,
711NBY2M9FIO5700UK,
5230-NI-E-HK-A-0-B,
5330-IS-E-VB-A-2-B-N,
5330-IS-E-VB-A-0-B-N,
5330-IS-E-V-B-A-0-B-N,
5310I-ISEVBA2,
DVC 2000
DVC 6000
784-BY-M2-FSO-4200-MO,(IWLS784M2FSO4200MO),
ICOT 5230-NI-E-HK-A-O-BQQ4007280801,
ICOT 5310H-SEVBA2BN,
BA-F1S-657/667 30-70,
PB306-BY-00-22AD,
SW-010302UK ,
SW-040302UK ,
SB40557,
XT-90LP 0550 6880
43XV0617B Valve Limit Switch
Manufacturer: Westlock Conpol
PB308-BY00-22AD,
B-SW-10000 XT906850,
LD NO:S-2007F-MA-CS2,
2007-BY-2SPDT-UL,
2007X-BY-E76,
2007X-BY-E183,(2007X-BY-2DPDT-CS),
2007XN-BY-2SPDT,
2007X-BY-2SPDT,
2007X-BY-E15,(2007X-BY-2DPDT-CS),
2007X-BY-E96,(2007-BY-2M2-1M4-UK),
2007X-BY-E76,(2007X-BY-2DPDT-CS-OK),2402ZSC20709,
2402ZSC20714QQ4007280801,
4080-BY-2SPDT,
4330-NI-E-HB-A-0-B,
1040SFC2A2M0200,
1040-BY-N-2SPDT,
1065-2SPDT-UK,
3447ABTN00022ABC-00,(2247-BY),
3465-00-CS-22AD-000,
346700S0CS22FAD-00,
3445-BY,
3479-TT2,
3460A00SOCS01AAA-00,
3447SBYS00022BNE-00,
3447ABYN00022ABC-00,
3447ABY-00-22AD-000,
3447ABY-00-33AD-000,
3447BYN00022ABY-00,(3447BYS00022ABY-00),
3045-BY-00-22AD-000,
3046-BY-00-22AD-000,(PB306-BY-00-22AD-000),
360NCMBYM6BC122AAA-UK,
360NCMBY2M6XSO2600-UK,
360NCM-BY-D14QQ4007280801,
360NBY3B2M0200U,
360-BY-M2,
9044-BY-2SPDT-UK,
9468NBY2M12(3)3/4-UK,
9748,
9479-BY-2SPDT,
9479N-BY-DT,(9479NDT),
9479-N-BY-PTB-BBC-U,
C9479N-BY-2SPDT,(C9479N-BY-V30),
E9479-BY-2SPDT-UK,722A-BY-M9-FIO-4300-MO,
722ABYM9FIO4200M-UK,
711NBY1A2M0900I2700U,
711NBY2M9FIO5700UK,
5230-NI-E-HK-A-0-B,
5330-IS-E-VB-A-2-B-N,
5330-IS-E-VB-A-0-B-N,
5330-IS-E-V-B-A-0-B-N,
5310I-ISEVBA2,
784-BY-M2-FSO-4200-MO,(IWLS784M2FSO4200MO),
ICOT 5230-NI-E-HK-A-O-B,
ICOT 5310H-SEVBA2BN,
BA-F1S-657/667 30-70,
PB306-BY-00-22AD,
SW-010302UKQQ4007280801 ,
SW-040302UK ,
SB40557,PB308-BY00-22AD,
B-SW-10000 XT906850,
LD NO:S-2007F-MA-CS2,
M20TO 1/2NPT-PLUG-069,
NFB327A011/WPISG551A307MO,
B-EL-30264,XNNN-0210,
XNNN-02T0,XNNN-02A0
81-20516-A2,
11-12310-00,
21-11510-A2,
70-15541-531,
DXP-M21GNEB,
WESTLOCK变送器TXP-L22GLEM,
TXP-L22GNE,
TXP-L22GNEM,
DVC-AS-Z2-B-P,
DVC-AS-Z2-B-P-S45,
ZNB327A002,
STN16-SPDTQQ4007280801,
GGBA-0124,3460A00SOCS01AAA-00,
3447SBYS00022BNE-00,
3447ABYN00022ABC-00,
3447ABY-00-22AD-000,
3447ABY-00-33AD-000,
3447BYN00022ABY-00,(3447BYS00022ABY-00),
3045-BY-00-22AD-000,
3046-BY-00-22AD-000,(PB306-BY-00-22AD-000),
360NCMBYM6BC122AAA-UK,
360NCMBY2M6XSO2600-UK,
360NCM-BY-D14,
360NBY3B2M0200U,
360-BY-M2,
9044-BY-2SPDT-UK,
9468NBY2M12(3)3/4-UK,
9748,
9479-BY-2SPDTQQ4007280801,
9479N-BY-DT,(9479NDT),
9479-N-BY-PTB-BBC-U,
C9479N-BY-2SPDT,(C9479N-BY-V30),
E9479-BY-2SPDT-UK,
722A-BY-M9-FIO-4300-MO,
722ABYM9FIO4200M-UK,
711NBY1A2M0900I2700U,
711NBY2M9FIO5700UK,
5230-NI-E-HK-A-0-B,
5330-IS-E-VB-A-2-B-N,
5330-IS-E-VB-A-0-B-N,
5330-IS-E-V-B-A-0-B-N,
5310I-ISEVBA2,
784-BY-M2-FSO-4200-MO,(IWLS784M2FSO4200MO),
ICOT 5230-NI-E-HK-A-O-B,
ICOT 5310H-SEVBA2BN,
BA-F1S-657/667 30-70,
PB306-BY-00-22AD,
SW-010302UK ,
SW-040302UK ,
SB40557QQ4007280801,
PB308-BY00-22AD,
B-SW-10000 XT906850,
LD NO:S-2007F-MA-CS2,
M20TO 1/2NPT-PLUG-069,
NFB327A011/WPISG551A307MO,
B-EL-30264,
81-20516-A2,
11-12310-00,
21-11510-A2,
70-15541-531,
DXP-M21GNEB,
TXP-L22GLEM,
TXP-L22GNE,
TXP-L22GNEM,
DVC-AS-Z2-B-P,
DVC-AS-Z2-B-P-S45,
ZNB327A002,
STN16-SPDT,
GGBA-0124QQ4007280801,
H2-1Z43C3G411,
BOLT SWITCHES - BM SERIES
BOLT SWITCHES - BF SERIES
BFT1C3-1
BFT1C3-2
BFT1C4-1
BFT1C4-2
BFT2C3-1
BFT2C3-2
BFT2C4-1
BFT2C4-2
BMT1C3-1BMT1C3-2BMT1C4-1BMT1C4-2BMT2C3-1BMT2C3-2BMT2C4-1BMT2C4-2
H2-1Z43C3G411,BOLT SWITCHES - BM SERIES
BOLT SWITCHES - BF SERIES
BFT1C3-1,BFT1C3-2,BFT1C4-1,
BFT1C4-2,BFT2C3-1,BFT2C3-2,
BFT2C4-1,BFT2C4-2,BMT1C3-1,
BMT1C3-2,BMT1C4-1,BMT1C4-2,
BMT2C3-1,BMT2C3-2,BMT2C4-1,BMT2C4-22245-BY-00-22AD-000
德国WESTLOCK 控制阀用电磁阀+定位开关组 MODELO:722-BY-M8-FIO-4300-MO
电磁阀用线圈DC24V P/N:VA30060
控制阀用 型号 2147-BY
控制阀用器 型号 722-BY-M6-FIO-4700-MO
控制阀用电磁阀+定位开关组 MODEL:722-BY-M8-FIO-4200-MO
控制阀用电磁阀 MODEL:FIO-4300-MO
控制阀用电磁阀含手动开关+定位开关组 MODEL:722-BY-M12-FIO-5300-MO SPDT DC24V
2640-BY-CS-02AD-000,(2640-BY-N-015-02BHP-00)
2645-BY-00-2200-000,
2645-BY-00-22AD-000,
2645-BY-CS-22AD-00,
2645-CSF1QQ4007280801
2645-BYK00022FAN-00,
2646-BY-00-22AD-000,
2647-BY-00-22AD-000,
2648-BY-00-22AD-000,
2649-BY-00-22DW-000,
2649-BYK00022BSW-00,
2649BYS00022QAM-00
2649BYN00022KAQ-00
2649BYK00022BSW-00,
2649BYN00022BNF-00,(2649BYS00022BNF-00),
2649BYN00022BER-00,
2649BYN00022ADZ-00,
2649BYK00022ADZ-00,
2649BYS00022BDV-00,
2649-BY-KOCS-22AAA-00,
2649-BY-00-22AD-000,
2869-00-00-2200-000,
2269-00-00-2200-000,
2260-00-CS-0200-000,
2245BYN00052BCG-00,
2245-BY-00-22AD-000,
2245-BY-22AD-000,
2246-BY-00-22AD-000,
2265-00-00-2200-000,
2249-BY-00-22AD-000,
2246-BY-00-22AD-000,
2247-BY-00-22AD-000,
2247-BY-00-22AD-000,
2147-BY-00-22AD-000,
2147-BY-00-22VK-000,
2147-BY-00-22ZB-000,
2085A-2DPDT-CS,
2085A-NO-D36,
2085A-NO-D34,(2085A-2DPDT-CS),
2004AN-BY-2DPDT-16PT,
2004AN-BY-2DPDT,
2004A-BY-2SPDT-UK,
2004A-BY-2DPDT,
2004N-BY-2DPDT-UK,
2004-BY-C16,(2004A-BY-2DPDT),
2004SFC2A2MO4CSV),
2004SFC2A2M0200,
2004SFC2A2M0200U,
2004SF2A2M04CSU,
2004SBY2A2M0200,
2004AN-BY-2DPDT-16PT,
2004NBY2A2M0200,
2004NBY2A2M0400,
2004AN-BY-C302,
2004NBY2A2M040000412,
2007KBY2B4M0200U,
2007SBY2B2M02CS45U,
2007SBY4E2M0300-UK,
2007-BY-2M2-1M4-UK,
2007-BY-2SPDT-UL,
2007X-BY-E76,
2007X-BY-E183,(2007X-BY-2DPDT-CS),
2007XN-BY-2SPDT,
2007X-BY-2SPDT,
2007X-BY-E15,(2007X-BY-2DPDT-CS),
2007X-BY-E96,(2007-BY-2M2-1M4-UK),
2007X-BY-E76,(2007X-BY-2DPDT-CS-OK),
2402ZSC20709,
2402ZSC20714,
4080-BY-2SPDT,
4330-NI-E-HB-A-0-B,
1040SFC2A2M0200,
1040-BY-N-2SPDT,
1065-2SPDT-UK,
3045-BY-00-22AD-000
3046-BY-00-22AD-000
3047-BY-00-22AD-000,
3049-BY-00-22AD-000
3645-BY-N-ACA
3447ABTN00022ABC-00,(2247-BY),
3465-00-CS-22AD-000,
346700S0CS22FAD-00,
3445-BY,3479-TT2,
3460A00SOCS01AAA-00,
3447SBYS00022BNE-00,
3447ABYN00022ABC-00,
3447ABY-00-22AD-000,
3447ABY-00-33AD-000,
3447BYN00022ABY-00,(3447BYS00022ABY-00),
3045-BY-00-22AD-000,
3046-BY-00-22AD-000,(PB306-BY-00-22AD-000),
360NCMBYM6BC122AAA-UK,
360NCMBY2M6XSO2600-UK,
360NCM-BY-D14,
360NBY3B2M0200U,
360-BY-M2,
9044-BY-2SPDT-UK,
9468NBY2M12(3)3/4-UK,
9748,SPDT,
9479N-BY-DT,(9479NDT),
9479DT,9479SBY2B2M06DTU
9479-N-BY-PTB-BBC-U,
C9479N-BY-2SPDT,(C9479N-BY-V30),
E9479-BY-2SPDT-UK,
2549BYSECC21BDB-00,2249BYS00021CDB-00
722A-BY-M9-FIO-4300-MO,
722ABYM9FIO4200M-UK,
711NBY1A2M0900I2700U,
711NBY2M9FIO5700UK,
5230-NI-E-HK-A-0-B,
5330-IS-E-VB-A-2-B-N,
5330-IS-E-VB-A-0-B-N,
5330-IS-E-V-B-A-0-B-N,