GB/T 12459  弯头 DN 15-Sch1045EL

DN 15-Sch10 45EL

BL500(A)-6RFtps:SFF@RF@443900 R18671@m�o�

WN 10"-1500 Rf S

WN25-25 RF S=3 AA=35

DN1200-PN16 WN RF Ⅱ Sch40

WN 40(A)-16 RF S=3.6

LWN 20-600 RF0f

BL 100-16 RF

SO50A-150FF

WN 40(B)-16 RF S=3.6ÃRFFh1/4.FJ-R9eS-RFWN SS4F0 RFm