HG/T 20592  法兰盖 BL 500(B)-16 FFp

BL500(B)-16 FFp

BL 65(B)-6 RF D=155

wn50-40 rf s=5.54=33.7F b=41005RF S-00-150RF0-1.

SO1000-150 RF

BL 80-25M40A00rjf1.R4=6/J/6 h=165==

SOH RF 30K B 25Af-

WN50B-25M00ch4S=F

1 RF 400-1.0 δs=8m6.h0 huo5T5095 C8500 RF S/51.00-

PL100(B)-16 RF B0/H

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