HG/T 20592  法兰盖 BL 600(B)-10 FFs rf sц╒Б┌40-rf5

bL600(B)-10 fFs rf sц╒Б┌40-rf5

SO300-150RF-1=t2a=5F81M1400-1.0625-1=4.5wsFM40Sdfh600 RFR=

SO 4"-150 RF

wn25a-25rfs=4.5)8s=86300=bb=94ch80C-

HG/T20615 B WN700-150 RF B=688.7

WN100-100 RF Sch120=91150SF

 WN150-1500M0

3 fm500-1.6/50-12

SO80(