HG/T 20592  法兰 SO 200-16 RFRFRFMF00 RF S=1516RF0 RF S=4-16RFc

SO200-16RFRFRFMF00 RF S=1516RF0 RF S=4-16RFc

JSO 100×150-150 RF Rs40400Sâ(bh80SF H RF=3-0800c66r

wn65(a)-16 rf f1=3 s=3.05

DN25-PN6 PL RF IF-6R.5/ S=5Ss=6f0

SO 65(B)-10 RF0s H1=13B0FF=90.5

SO450(A)-16 RF&ampampwd=&ampeqid=80ebfc4e0003

WN25-