HG/T 20592  法兰 PL 325(B)-10 FF00b5/

PL325(B)-10 FF00b5/

WN40(B)-16RF5S BB=0 RJ0

bl40-40fm6

3 M 700-4.0 δ0=14R10-�7F00-F10FS0.11 Sc00-1-168/0-1RM

PL400(A)-10RF

PJ/RJ450-10RFH10.FFFS�п╡п┌п╟�

BL250(B)-2.5RFf s=4.5 hg/@=16 AA= Sch1-1.6/60-120RF.6 s=

WN40(B)-100 MFMRRF

WN 30