NB/T 47065.1  支座 BⅠ 72720

BI 72720

SO 6"-300 RF

SP-8747

47065.3 B9364

WN 50-150 RF9379

WN 50-150 RF1565

WN80(B)-16 RF42839

bii 3016

BI 78504

WN 4"-150 RF Sch40200 RF162150 RF)-150RF3850)-16 RF S=4098fh80S S=14tting-drawing.html=0 RF4434 Sch60@R4500 RF-16RF280RF B=37