TB/T 315-2005 Ball valves for rolling stock has been changed from TB/T 316-1993 Dg16 globe valve.
TB/T 315-2005 Ball valves for rolling stock has been changed from TB/T 314-1993 plug plug door (2).
TB/T 315-2005 Ball valves for rolling stock has been changed from TB/T 313-1993 plug plug door (1).
TB/T 315-2005 Ball valves for rolling stock has been changed from TB/T 312-1993 Simon.
TB/T 315-2005 Ball valves for rolling stock has been changed from TB/T 321-1993 Dg50 globe valve.
TB/T 315-2005 Ball valves for rolling stock has been changed from TB/T 320-1993 Dg40 globe valve.
TB/T 315-2005 Ball valves for rolling stock has been changed from TB/T 319-1993 Dg32 globe valve.
TB/T 315-2005 Ball valves for rolling stock has been changed from TB/T 318-1993 Dg25 globe valve.
TB/T 315-2005 Ball valves for rolling stock has been changed from TB/T 317-1993 Dg20 globe valve.
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