127788 ⎘
Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces; Devices or arrangements for working the finished surface ; Devices for repairing the surface of damaged paving for taking-up, tearing-up, or breaking-up paving, with power-driven tools, e.g. oscillated hammer apparatus moved rectilinearly, e.g. road-breaker apparatus with reciprocating tools, with drop-hammers with direct-acting explosion chambers, i.e. Diesel breakers