HG/T 20592  法兰 SO 80(B)-63 RF

SO 80(B)-63 RF

WN 200-150 RF Sch6RFn=4F¶.7) RFRF.650)-S=4

WN150(B)-25FM S=6РЁРҶВ·Ш°ВРҶРЁРҶР’Тң

WN 450-150 RF S6mn hg/0mp00=12.5RF R)-16SrfFh

so15-150 rf a

WN 24"-150 RF S290s5²

bl80-100 rj

WN100-600 RF/ R0RFF6