HG/T 20592  法兰 WN 1600(B)-25 FF S=12/l80sc=.5 RJ@6R102- (�@RF@4Fl.5 RJ RF Sm

WN 1600(B)-25 FF S=12/l80sc=.5 RJ@6R102- (�@RF@4Fl.5 RJ RF Sm

BⅡ3594

47065.3 B882

47065.3 B10662

BII 27807

WN 50(B)-16 RF3095

WN 50-150 RF9703

2 A3795

LWN75-300RF0-6@4RJ RFSCH40S rf@40

BL300-6 RF23 RF Sch10SS=60 f3046G5 RJScF&@�8-6 RFn0R4G3RF@A