HG/T 20592  法兰盖 BL 80(B)-100 RF Sc

BL80(B)-100RF Sc

WN200-150 RJF2 RF

WN20-150 RF sch80ذ

WN 40-150 RF S=4

SP-1-3-40ShsK=160Sc8SS96

WN 40-40 RF0emp RF I

WN 1 1/2"-150 RF S=4

WN250-600RF SCH80S

BL300-600RFSCH40140ch10.0S6 RFSp&@t.5 RJ5S. RF RFS5 RJ2A=F6m386@Rot

WN 15-150 RF S=8FF