HG/T 20592  法兰盖 BL 15-16 RF/u00c3/data/public/public/wx/wx.max.png

PL 400(B)-16 RF B=170f2=3 C=.0 ÃÃ

wn150b-40fm4S00CH S

bl150-150 rf l=3/4п╟б═п╡б²п╟б▓п╒п┴п╟б═п╡п�

BL 250-2500 M.j sch164.0 δ=42 H=1105.24.j0.150 RJ19nampampampeqid=

pl100(b)-16 rf d=1295 n=32 l=33 c=40 f1=