CPC Subgroup
E01B 9/68 Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
Full Title
Fastening rails on sleepers, or the like (fastening rails to bridges E01D19/12) > Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
2 direct subcodes
Child Classifications
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