GB/T 12459  弯头 DN 125-Sch10S90E3D2009450

DN 125-Sch10S 90E3D2009450

WN250-300 RF Sch/22¬â¬sc9.1F63F4h8

WN50-16RF S=50(B)-1

2 T 2800-2.520δ1=14

WN350-600 RFS= S b0rfch-45h40 S

DN 40-Sch40 TS1-1255=130Rmpampampam0.s

WN20-600 RF Sch160

WN100-300 T S/F.

SO 1/2"-300 FFRj65-150rf=7/40F

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