HG/T 20592  法兰盖 BL 80-100 RF2quot

WN 40(B)-16 RF S=7T20615-2009)-25 FM

WN80-150 FF B=76.5

BL80-100RF2quot

WN 40-150 RFF80-2.5160 RFF0c3

WN 3"-150 RF S=5

BL RF 10K 100A-0.6R65 FFSB)l=15 s=38 h=

PL 100(B)-10 RF6r

PL 50(B)-16 RF b=3 D=16

WN 50-600 RFRF FM-hch4/@F b=3R

dpl20(b)-16RF