NB/T 47065.1  支座 BⅡ 220=7pampampa

BII 220=7pampampa

BL500(B)-16 RF4950B=50

WN25-160 RJ Sch40 F=9 E=6.5 P=75 D=170

WN 50-300 RF S=40B=5/-1.

WN250-600 RFt2BL40100r10 f1am=85 s=4/(B)-600rf1600-1.6100 r

WN50-25RF S=6 MX=Y RC0 s=140L δ=2 A415 K=345 L=36

BL 150-300 RF=30 f1=

BL 450-300 RF