GB/T 29465  法兰 FF 350-4.0/20ุฎ

5 FF 350-4.020ุฎ

SO 50(B)-25 RF00bspfo

WN600-150TSch4fm-SRFr

47022 M 1300-1./n=4 b=/012.55sS=414 C=240 rf sc

PL1200(B)-2.5 RF K=1295 D=1400 BB=1200 d=12

wn125-10 rf s=7.500F�h4��@A

SA212920

BL32-16RJs

a WN 30"-150 RF

SO50-300 FFsch05c=