GB/T 12459  异径三通 DN 1050×1050×450-Sch10TR

DN 450×450×1050-Sch10 TR

WN25-63RF6-160 s0F-

PL 250(B)-16 RF

wn32a-16rfh0(0AF Sc

PL 650-16rf0sc

DN1200-PN2.5 WN RF в…Ў

WN50-2500RjSch80FefR

BL150B-63RF SpngRFHGm

BI 1400=50-12085/0)1

PL 65(B)-16 RFF021 C0-4.0-130 HG/T)-10FFh40S A=3md=630=1000 h