NB/T 47065.1  支座 BⅠ 750170j�0r FFapquof hRF=62 h=(3000/S=60

BI 750170j�0r FFapquof hRF=62 h=(3000/S=60

SO250(B)-300FF4n6ScS=12/³•å�

& wn450-600rj&5=1170ch160h

SO 3"-300 RF=421000t=0 h1

WN80(A)-16 RFF-1

BII 1100/

wn20(A)-16RF S=F0F RFF b=4-40FM

PL1400(B)-16 RF0RF0h

wn40-10 rfF b=3 C=1

WN