NB/T 47065.1  支座 BⅠ 2730 RF=1250SRF/6 rf

BI 2730 RF=1250SRF/6 rf

47021 FM 550-0.6=100B)-

wn300-300rfs=6.3

WN50B-63MCH40S86FFJ0S.0vok6Rr

PL32B-16 M b=26/data/s

PL 50(B)-16 RF8/6 RF RF |0989/

PL100(B)-16 RFffH10-1.6/56-13

PL 25(B)-10 FF)-6-164F45 RF80-11

PL50-10RFf1=3FRF0 RF6 RFRF0-2/

WN100-