HG/T 20592  法兰 SO 450 (B)-16 RFF=do=4/ Sch40SdRF a560 rfb)-10RaF 5

SO450 (B)-16rfF=do=4/ Sch40SdRF a560 rfb)-10RaF 5

WN 80(B)-25 FM S=3

WN 15(B)-63 RFa80Bh40S002FS s=125yu323.9 b=30

SO4-150RFuhtmР

2 WN25-16RF0s50RFRFrf s=8

47021m500-1.6/5 rj-6=1g20615 wn400-600

WN600-16 RJ GBFM6 RFM�SC0h10F5 RJ-1671@� RFJsRF@H