NB/T 47065.1  支座 A 2178

47065.4 A2178

bi 1000 h=44RF

WN 15-300 G254.00 SM)525-5R2.602 RF

WN50-150 RF Sch102

WN 80(B)-25 RF S=5.5

PL20-2.5FF S6 7060Fl0461500.fS=12an502.5/50-1

WN500-300 RFRFF SRF060SSM0 RF

Wn100(a)-16RF-02220 RFf/u00b2 s=347=hδ RFS=

WN 25-10 RJF)-16RF6ch80