HG/T 20592  法兰 WN 40-16 RF S=50.�0-

WN 40-16 RF S=50.�0-

SO 25-300RF00

BL250(B)-100 RF S=10S=22=1125(B)-16 R

bl400(B)-900M D=405 B=244 K=362 C=28

wn80-25rf+s=10.5,S=601=15.050c=125

bl50-10mB=/RF8 b=0 B=61.

WN80(A)-10 RF BB= K=340 D= C=ch4sch1=10)-63r

PL 40(B)-16 RFF050 RF-RF.8 S=

Wn5