NB/T 47065.1  支座 A 1921

4 A1921

WN40-150RF3

BL 65-16 FF

WN250-25FM.0-6rf/RFS/g

WN15-300RFSch4025rFRF1000-0.6

BII 32888F7 RF5391..15F0sF RF.5 RJF

LWN 25-150 RF SCH40

WN 100(B)-160 RJ S=1 S=8 RF/

PJRJ32-16 M

bi 7589)-10 RF@R)-25 RF S=5 FF00a3/u00=301/ot;-150 RFch16.2F0/0S S=