NB/T 47065.1  支座 BⅠ 72062

BI 72062

PL20(A)-6 RF b=3F0

WN505-300RF RJ10rfRF@44

BL 250-25 RF/3500a3F S=10mpampampampampampamp;amp;amp;am

BL 50-16 RF378

PL 300(B)-16 RF416516RFmpch4300�h4M10.771/1-25rfr

WN 40-300 RF S=4D=3RF92-

so150(b)-25 rf b=5

bii 2970

WN 50(B)-16 RF4720GFS