ClassID:

127369

E01B31/22 - CPC Classification

Classification description:

Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor; Working or treating non-metal sleepers in or on the line, e.g. marking, creosoting Cutting or grinding wooden sleepers, e.g. for forming rail seats

Sub-classes:
Recent Application in this class: