GB/T 12459  异径三通 DN 500×500×10-Sch100TR

DN 500×500×10-Sch100 TR

WN300-300 RF B3016RF1

1 FM 400-1.0.0 T500 RJ B0SF RF S=5 h=287 S=6B)0

WN32-100GD=815 C=22 H=60 n=40-1.03rf6/

HP-5 ff1900-0.6/74-160

PL 600(B)-10 RF100-150sF16 aa-225 F S=SMh40113Mmp;ampampampamp;

WN 50(B)-16 FF S=5.5 Rf S-/0