NB/T 47065.1  支座 A 50516

LP-3thg20615 wn H56rfRF� ذ�.5RF3016 b1=34 &a50516

PL500(B)-6 RF B1=50(a)-1850RF

WN 450(B)-16 RF S=12=4F1=8 H

nb/t47023m700-1.05b=3-2FRF=4RfFar

wn50-16t500rf00RFRF0/92/)-25rf=8d=02

PL500-6RF m RF 5008- rch=185 B=90 C=19 f1=1.5 d=12

WN 300-300