德国DUNGS冬斯燃气压力开关：LGW3A1,LGW10A1,LGW50A1,LGW1.1 GW3A5、GW10A5、GW50A5、GW150A5，GW500A5，GW3A6、GW50A6、GW150A6，GW500A6,GW10A2,GW50A2,GW150A2,GW500A2,GW3A4,GW10A4,GW50A4,GW150A4,GW500A4, 德国DUNGS冬斯空气压力开关：LGW3A2
