GB/T 12459  等径三通 DN 600-Sch10STS

DN 600-Sch10S TS

PL400(B)-6fml80(b)-16

NB/T47023 FM1000-1.0/56-121

WN450(B)-16 RF S=100100-2.5F Sch160

WN 40(B)-100 RF S=8=18530.5/6-25rf4RFS

pl100(b)-16 rf d=Ã

WN65-63G D=190 K=146 n= f2=3 L=21 C=2/00RJ B=1

3FM650-4.0

wn500-300 rf sch10u00=72165/ S