CPC Subgroup
E01B 23/12 Sleepers
Full Title
Easily dismountable or movable tracks, e.g. temporary railways; Details specially adapted therefor > Shiftable tracks for heavy loads, e.g. carrying excavators > Sleepers
E01B 23/12 Easily dismountable or movable tracks, e.g. temporary railways; Details specially adapted therefor > Shiftable tracks for heavy loads, e.g. carrying excavators > Sleepers