HG/T 20592  法兰盖 BL 150-63 RF1h

BL 150-63 RF1h

BL00-150 RF@6RFR0.60SH80S2s1؟RFscdata5 RJ0SM.5j&hMFM@404.ch8

wn 150-150 fm/A

SO 20(B)-10 RF b-

IF 20-63 RF

SO 400-150 RFu00c2/u0

WN 1"-300 RF S=3

BL 300-10 RF00-1507ee

JWN50×100-300 RF

BL600-150 RF‚�ch40=124061F.5 RJ40RF