HG/T 20592  法兰 PL 500-16 RF 内孔5094.ELR“R/00c3/public/wx/public/blue/watermark.png

WN40-300RF0 RF ScB)-rf�0=My=50 d smf RF B

BII3100)- b=65-3F3

wn100-150rf,sch40s

so200(B)-16 RF

23 FM 450-4.0/46-115 δ0=80-4.0hg20615 wn400-600r0rDb=5F=0244-RJ100

wn350-150 rfb=

WN 3"-300 RF S=S=8FHG

法兰WN25(B)-16 RF S=5=12 S640S1

bl 450-30