HG/T 20592  法兰 WN 150-16 FF6R0RFF@FF-R0M2FF@P2@Fj@5@F S640SR0F S0bR5 RJj@5c2@RF@443RF@7p

wn150-16ff6R0RFF@FF-R0M2FF@P2@Fj@5@F S640SR0F S0bR5 RJj@5c2@RF@443RF@7p

BI 600

47022fm1800-1.0

WN 65-150 RF Sch40S

WN 15(B)-10 RF

bi 30168

BL 50-2500 RJ

WN 12"-300 RF S=298.8

BL 200-150 RF

WN 20(B)-25 RF HG/T205922.72@RF@4 Rch4@4R12F@44mpampam@/