HG/T 20592  法兰盖 BL 40-10 FFSCH4&@пҝҪb)-16rfRFR0 RF Sch60

BL40-10FFSCH4&@пҝҪb)-16rfRFR0 RF Sch60

WN50(b)-100FM/

wn500-300rf0 h=165F0bl

DN40/PN16/01aCRFch40 fFF0amp26aFu00e

SO 100-16 RF)-16 RF b=3

WN200-900rj5 b8RF5S0M1FCJrFF M250A@40@S5 RJrvlet/F sF08F FF.105J000-R@rf3 ScF@ï MF7.5 R���F.0 RTF S=65