HG/T 20592  法兰 WN 65-16 RF€ �ah40-5=1-300 RF Sch40FM S=3.

WN65-16RF€ �ah40-5=1-300 RF Sch40FM S=3.

3 C4SO-1.05sFF B=59)-630-150 RF Sch80SB)-16 RF S=6RF IIRF S

WN 200(B)-16 FM S=81=/0-0.18 sh40S0 FM S=61Rf2amp

WN100-300 RF B=96/ S=9ampa⌡42

PL 80(B)-16 RF RFch80S/mp S

3 C4SO-1.05sFF B=59)-630-150 RF