HG/T 20592  法兰盖 BL 150-63 RFb.04

BL150-63RFb.04

SO 1 1/2"-300 RFRF15f==873F5740S3 RF 9 rf0

WN 300(B)-16 RF S=410

PL 300(B)-16 RF4091

WN80(B)-16 RF6515√▓п▒Б■╛Б┴╔п╠�

WN 50-150 RF6050

WN415-300 RFL12-.0��1f sch8040@RF@45-R@4350Rmn h5808@00 RFSCH0F37

bi 39