NB/T 47065.1  支座 A 5128

47065.2 A5128

pl300-16M S1=3F150(c-de40s SchchF

WN 4"-150 RF Sch5311

bl 50-300 RJdn=h4052.5B

BI 7269quot

WN100(B)-16 RF

WN 4"-150 RF Sch5054

wn100-300 rf hg.5/72-14

2 A7437

WN150-100RFSŠ»ā”ā”f s=5/.5130m699F8262)-16 RFrf46=6.5 &amS=