HG/T 20592  法兰 WN 300(B)-25 Mb=3 sch416 RF S/.6/

WN 300(B)-25 Mb=3 sch416 RF S/.6/

WN15-900 RJ Sch160 S=/6216rf10F-

PL100-16RFD RFR/j&am s=12Scpq/�

WN 80(B)-16 RF S=41000-1F22 rf10/data

WN 800-150 RF S/ C6/u083.7504S=

BL 500-10FF

HG/T20615BL450-150RF8bl20(b)-16r

3 FM 800-1.0 δ0=10

WN 80(B)-16 RF