HG/T 20592  法兰 WN 250-63 MRF).50920-66 RF22 FM-100M w@яПН5..016p@ G Sch8F5 R740.5 RJ

WN250-63MRF).50920-66 RF22 FM-100M w@яПН5..016p@ G Sch8F5 R740.5 RJ

PL 80(B)-25 RF b=3

WN50B)-40FM6 fm0.0-F090a512b16W.5RF C-RF10F7

SO 300-25 MF=3 f1=3 C=40thgҖңР

SO 2"-300 FF

PL 80(B)-25 RF

WN 100-100 G2R@R4SM0 M-1671@� RFJsRF@H@RH@RF

2