NB/T 47065.1  支座 BⅠ 120250

BI 120250

TH20-25 RF�0RFRSc9

WN250(A)-100RFS=10

WN 25-63 RFf432b-2R-1=412/0=10,c=601-116040RF Sch40

WN25-300FM ScH40

so80(A)-6RF=20

WN 450(B)-16 RF S=3.5RF

DN50/PN6/13B

PL 20(B)-16 FF D=100 B=27.5 b=0 C=11.2 L=16 K=69.9

WN 50-150 RF1973-2.5RF61/91-