NB/T 47065.1  支座 BⅠ 300081C

BI 300081C

BL25-16RF

PL250-40FF b=4

BL300-16 RF Sch40

SO 2"-150 FF

WN50(B)-900 RF SrSaa=89 s=45 pn25孔40 RFF/�

WN32-63 M S=44RF1002.0= bb=1000 d=6)

wn100a-300rf h1

WN 80-300 RF

BL500-10RF-1650 bF H==05F0230-10-000-1.060-0.6d.10rf0sm68-0.69 W-