HG/T 20592  法兰 WN 15(B)-100 M Sch10SF0RF S=5-1

WN 15(B)-100 M Sch10SF0RF S=5-1

SO 500-150 RFSampa

WN80(B)-16 RF

DN50-PN100 WN M Ⅱ S=10

BL 25-1500 RJ

WN300-600 FFampampampampampampampampampampampampampampampam

WN50(B)-16 RF S=4

DN32/PN16/02&36B

WN 100-150 RF B=10 rf.009 Sf0f/@47021 C-

SO65B-16RF