DIFF Subgroup
F42D 1/26 Tamping with foaming agents
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Blasting methods or apparatus, e.g. for loading or tamping > Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor > characterised by the tamping material > Tamping with foaming agents
CPC:
Blasting methods or apparatus, e.g. loading or tamping > Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor > characterised by the tamping material > Tamping with foaming agents
No child classifications to compare. This is a leaf node in both IPC and CPC.