HG/T 20592  法兰盖 BL 80-16 FFFF S/

BL80-16FFFF S/

LWN50-300 RF Sch8

022 FM1000-1/76/quotwFF20MJch400c00-

2 B55/58-1-

so32-150 rf 密螺纹=248fmpamp

2 FF 500-1.020δ1=6ch80

SO500-150RFsF-=2-11b2-20mu007Ff44c2

wn200(b)-40t/B/16RF A2

PL80(b)-16FF-50 Ka20592- Rt‚0d=s0.6A=4

HP