NB/T 47065.1  支座 A 7785

2 A7785

B WN750-300 RF/-2rpampa=6RF-1

WN 200-300 RFS=50-10a

BL150-16RF60Rff/ RFp6/52F0SF7 A2

3 B7974

BL250-16rf4

WN 15-150 RF S=3.73

WN25-63 RF HG/48RF6RJn25-F0.

BL500-16 FM6rf3FSch RF2.6e=chat34 B=28.4.0/6000-4

BWN1200-300RF646SN150-10 RF S/RF Sch80