HG/T 20592  法兰 WN 250(B)-25 FM s=5.5h40 H1=12 A

WN 250(B)-25 FM s=5.5h40 H1=12 A

bi900-fRFF_375

WN80(B)-63M50-300

wn200-150rf s=50K=466RAA=38 φ89*61= Rd10=100-300

WN100-150 RF S=4-6.4JMSF=59 K)-rf=4.rfâ5wn25F

bii 1000 h=300 l1=5

SOH RF 5K 10A=4nvo

PL80B-16RF

47022 fm1300-1.7023 RF100h)-4F0ch50