HG/T 20592  法兰 PL 400(B)-10 RF632525RFF208b-1

PL400b-10rf632525RFF208b-1

BL 32(B)-10 RF

SO 2"-300 FF

WN 250-150 rf FJ5121�

3 FM 800-1.6 δ0=10

BL 25-16 RF

wn15-16rf s=Ff sch105fRF6

PL80(B)-10 RFF S=5324SCH801-h=2781

WN600B-16RF S=20

SO 10"-150 RFs16RFF@2FM Sch3F�- R S50 R0rf417