GB/T 12459  异径三通 DN 900×900×150-Sch30TR0 H=16500-

DN 150×150×900-Sch30 TR0 H=16500-

nb/t47023 fm 700-4.

pl40(b)-6 g/-Sch160.5/70D=100015

wn400(b)-63grf400(B)-18 c=2

bl50-160rjH=0R=10=

WN800(B)-16T S38-100 H=621=12c660-16RFB)-2

WN80(A)-100M RF S=72cf d=1060ml046

sO450-150 FF900-1.08-31=4

wn80-1500