HG/T 20592  法兰 PL 1200(B)-10 RF°wn80-300 rf sch8

PL1200(B)-10 RF°wn80-300 rf sch8

SO 40-150 RF60FM2200-2.540

SO 400-150 G00 RF Sch40S4612005=152

SO125-16FF4180EFshlcF BR1 b0 RF-1

PL400-10 RFF-53.B)-156ВјF D

WN 150-150 RF4s=126�½ rf smmmp

BL 150-150 RF00 RF300 RF300 RF150 RF8FFFё�

wn25(b)-3