HG/T 20592  法兰 SO 400-10 MÃ/6 RF S=61�■ch40RF06S)-rf t-1

so400-10mÃ/6 RF S=61�■ch40RF06S)-rf t-1

BWN700-300RF B=671/ ScF =

bl400-900 rj6RF6 FRFRFRFC=5000-0.60RFH

3 RF 600-6.4 BB=(B)-10 R)-16 RF

pL100-16 RF0-2

wn20b)-16 rf00

WN 16"-150 LM Sch�

wn125b-16tsc)-4

wn65(b)-10 rf.6h40 ff&ampnbsp�