HG/T 20592  法兰 WN 20(B)-16 TA)6710A@LWN MF SRF060SSM0 R

wn 20(b)-16 tA)6710A@LWN MF SRF060SSM0 R

LWN80-300 RF

WN10B-63RJ577.5 RJ0r90a@bhShf50pF10FM50=60S3paF��

SW 50-150 RFA)-16 R35 d/H40

BL400-16 RF

BI 900 s0.5-4.0@WN150rf s=3.

bl150-600RF Sch40=284 RFc8-

PL200(B)-16 RF6 RFR/

WN 65(B)-10 RF S=6

SO 6&