NB/T 47065.1  支座 BⅠ 250050 RF3RFi05f00a00

BI 250050 RF3RFi05f00a00

LWN50-150 RF Sch40

WN80b-25fmRFR0

SO 14"-300 RF

hg=t20592-2009pl200(b)-16 rf

bl25-300 rf 16MnII

so20(b)-16 rf d=56SCn2/9

1 RF 450-0.6 δs=10

47065.2 A5

so80-25 RF600 FFS5 RJ000-16 RF HG/T50 RFe2/u00850 RFF0-17-300 RFrfD