NB/T 47065.1  支座 BⅠ 15958FM Sch40S

BI 15958FM Sch40S

WN 150-300 RF

SO 50-300 RFch1

BII 30994

BⅡ 18452

WN450-300 RF S=10

2 FF 600-2.56RF0-300 R

DN100/PN16/01B

WN 800-16 RFSCH4050

WN 80-300 RFTR05mRF=48H=1)-1S8O=ch.8J16F0050RF.4/S=s=6pampafrom=1_05_37_01 R8=8F-R=6h40 SRFH22-16rf δ=10