NB/T 47065.1  支座 A 753

2 A753

WN50-40RF S=4

SO 25(B)-16 RF

DN200-PN16 PL/W-A M Sch40-B RF

BL15-600 RF

so500-16 rf s=10 LG Sch100pa

wn25b-25t0am/deskto S=1180120S0 s

BI 13218

WN400-300 RF Sch80

DN80/PN100/12B-10 rf RF RFRF RampampaF20mp8F,Sh1´=18K-Sc1=RJ0 RF Sch75570.5 �