NB/T 47065.1  支座 BⅠ 20000tfâh80s.6 δ=70 H=

BI 20000tfâh80s.6 δ=70 H=

WN80-150 RF250B350206S=46-16 RFF00rf-1Sch4

WN 450-600 RF606-sS20-1900F15RFRF0FM S=3725)-2

bi 850 h=580

wn80(b)-160 rf

WN350(B)-25M S=8556mrf-

A WN700-150 RF5(b)-160f10F160=4287Fb=50h

bwn800-150 RF´s0J8S H=�S=S

WN20-150R