NB/T 47065.1  支座 BⅠ 7560

BI 7560

PL500-6RF

PL 300(B)-16 RF

PL 40(B)-16 RF

IF50-16 RF

DN40-PN16 WN RF Ⅱ S=4.5

WN 2"-150 RF Sch40S

LF/SE 15-300 RF S=3

bii 162

hg=t20592-2009 pl65(a)-16rf50 RF S=40.6 δs=1262418016 RFR0s50A@40@SSCHuot48 C=151046395F60 R3s250fmsm.h3000 FM