HG/T 20592  法兰 WN 100-40 RFpampam2so0-

wn 100-40 RFpampam2so0-

WN1"-300 RF S=4.55

WN 32-900 M Sch80f0b)-1S)a

WN40A-150 RF Sch40ch40F0RF60sm7

BL 450-10 RF55mRF4da

so32A-16rfF RF/u00ef

IF 500-300 RF2F3 b=

WN 600-16 RF02H16RFS=1s,H=201

WN32-150 FM)

JWN 300×400(B)-16 FM S=3.5=4RF1PL80mp