NB/T 47065.1  支座 BⅠ 1239

bi 1239

bii 3983

WN 300(B)-16 RF S=1623

SO4100-16RF0-300rfh40S1F2 rf

wn600-300 RF¦-50-10rf/-46 r S=0/C-4.5

WN 300(B)-16 RF S=3133

WN50-150 RF Sch304

WN65-900 MF.1150F5rf00-hFSCH4¥d=r

PL 80(B)-16 RF216

WN 50(B)-16 RF22142127 h=-150 RF Sch626HG=T216