HG/T 20615  法兰盖 BL 65(B)-150 RFampampam

bl65(b)-150rfampampam

WN15-300 T Sch80608016506016F

LWN480-150 RFRF-28@ker1h1

WN205-150RFs s5 RJcF SCH8R

WN 3"-150 RF Sch10S

LWN40-150 RF B=52

SO 40(B)-16 RF

WN 10-10 RF S=2

SO 300-150 RF

SO 50-16 RF0FRH@RFFM/u0 Ml450-4.02.55B=450-1uoth7b=30F