NB/T 47065.1  支座 BⅠ 12001.6/

bi12001.6/

WN20-2500 M S=5.10 rfb=10

47023fm2500-1.65√PL500T100RFF- 20/ot/86-22SS S=1000r

BL25-25 RF

WN 50-900 RJ S=8

SO 50-10 RFpampaSc

WN 900-16 RFSCH80Sc.5 Sch00B=38s_pcqq0 RFaw/'+im0RF-40rf8.3 K=5252am

SO300-40fmS40FMr46R.6CH& RF C=2

WN200-600R