GB/T 12459  异径三通 DN 1400×1400×350-Sch40TR1.6 f

DN 1400×1400×350-Sch40 TR1.6 f

BL15-900RJ50 RF0(F6/38-1î2rS0.6RFS

WN 50-300 RF S=5.653/u0080/5 Sch4(18

WN 50(B)-25 M H=47-

HG/T 20615-2009 SO400-150RF

SO 65(B)-10 RF400

5 FF 2200-4.020δ0=8 RF B/8MFƒâ39 BL20-16RFr17S

PL 125(B)-6 RF

47022 rf 45