NB/T 47065.1  支座 BⅡ 2549

BⅡ2549

WN 50(B)-16 RF684

LWN 25-150 RF H=922

WN 4"-150 RF Sch7149

PL100(B)-16 RF33

LWN 25-150 RF H=2788

WN 4"-150 RF Sch1747

WN20-150 RF B=16.9

WN 50(B)-16 RF44

PL12-16RFrf2m RF-4-R�3RFmp4012F2 RF Sch3000-f/Fc2@R Sc@16FMS=49474s626s=86R