GB/T 12459  弯头 DN 200-Sch40S180ES

DN 200-Sch40S 180ES

WN 65(B)-40 RF Sc

BL200-150 RF610

BL150-16 RFrfuo

LWN 15-600 T Sch8

WN20-150RF undefined 120

PL100B-6 RF0-

PL 125(B)-16 RF

SO 150(B)-16 RF

PL 400(B)-16 RF.3S=6 ⅡS0 RF S=4.50RF04RF50 C=60=97527ampamp150 rf xxq0s=12 d=19906Cr1070