F42D 1/20 Tamping cartridges, i.e. cartridges containing tamping material (flexible or deformable blasting cartridges F42B3/087)
Introduced: January 1990
Title
Titles differ between systems:
IPC: Tamping cartridges, i.e. cartridges containing tamping material
CPC: Tamping cartridges, i.e. cartridges containing tamping material (flexible or deformable blasting cartridges F42B3/087)
Full Title
Full titles differ between systems:
Blasting methods or apparatus, e.g. for loading or tamping > Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor > Tamping cartridges, i.e. cartridges containing tamping material
Blasting methods or apparatus, e.g. loading or tamping > Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor > Tamping cartridges, i.e. cartridges containing tamping material (flexible or deformable blasting cartridges F42B3/087)
No child classifications to compare. This is a leaf node in both IPC and CPC.