HG/T 20592  法兰 WN 80(B)-100 RF S=3/u2-F0B=70-1ch16M1

20615-wn450-150rf65�=7S=30-1=160-H2 r

WN 80(B)-100 RF S=3/u2-F0B=70-1ch16M1

wn32-300 fm sch4065-117F S=PF=S=160-H2 r

wn40-150 rf sch40 apa0=10=FF1603FM=140 S=8

WN 25(B)-25 RF Sch1h4060FFse5 RF ShgFg/h80s2l RF-17F S=PF=S=160-H2 r

HP-2 вҖ“СS=50�