NB/T 47065.1  支座 BⅠ 73887

BI 73887

47065.4 A3975

WN 50-150 RF7171

WN80(B)-16 RF44452

BL 200-16 RF

BI 76950

WN 25(A)-100 RF S=11.13

PL 400(B)-10 RF

BI 72838

WN250(B)-16 RFе2 RF sch00 RJ Sch6000 RJ Sch80S S=1840s=1.5 RJ0FF250r60=sRF@F SRF0���@0fRFmpampampF00-2.5 î1- B=P