HG/T 20592  法兰 WN 40-40 RF S=3.65=-15RF

WN40(A)-40 RF S=3.65=-15RF

WN 100(B)-25 FM

WN100-300 RF SCh40S

WN150(B)-16 RF S=3 .5

WN65-16RJf3

wn80-63 rf hg65 δ0=)-

WN250(B)-10 RF D=375 K=335 L=18 d=311 f1=3 C=24 H=60 H1=12 S= N=290

WN200 (B)-25RF

WN25 -150 RF

WN200-25RF S=12.5 &ampamp;ampa