美国SOR压力开关,美国SOR差压开关,美国SOR真空开关;上海斗升自动化设备有限公司长沙办钟华联系电话/传真：0731-88420196/15874282980传真:0731-88420196E-MAIL:zhong_hua888@***:94075829212NN-K4-N4-B1A5NN-K3-N4-F1A-X3716NN-K3-N4-F1A5NN-K45-N4-F1A-X37112NN-K2-N4-B1A12NN-K4-N4-B1A107AL-K12-P1-F0A1NN-K45-C1A-N492NN-K45-C1A-N412NN-K45-N4-B1A101NN-K3-M4-C1A-TT107EL-EG12-P1-F1A-TTVV12NN-K2-N4-B1A54NN-K117-N4-B1A9NN-K45-N4-F1A12NN-K2-N4-B1A15RB-EE2-N4-C2A9BA-EB45-M4-C1A-TTYY5RN-K5-C1A-TT101NN-K3-N4-CLA-PPX37154NN-K117-N4-B1A1NN-K45-N4-F1A107AL-N12-P1-F1A9NN-K5-N4-F1A1NN-EE45-M4-C2A4NN-EE45-N4-C2A107AL-N12-P1-F1A54NN-EE118-M4-C2A6NN-KK5-N4-D1A4NN-EE4-N4-C2A18RB-K2-N4-B1A4NN-K4-N4-B1A)