德国beck真空开关

德国beck真空压力 901.10 121D4，原装德国进口，质量保证，寿命100万次以上。
Article code 16645-0029 , Pressure test device 901.21 111M4
Article code 16645-0029 , Pressure test device 901.21 111M4
Article code 16645-0036 , Pressure test device 901.21 111L4
Article code 16645-0037 , Pressure test device 901.21 121M1
Article code 16645-0037 , Pressure test device 901.21 121M1 
Article code 16645-0038 , 828 21222W2 Pressure test device 901.21 111L4
Article code 16645-0038 , 828 21222W2 Pressure test device 901.21 111L4 
Article code 16645-0041 , Vacuum pressure test device 901.21 121M4
Article code 16645-0041 , Vacuum pressure test device 901.21 121M4