DIFF Subgroup
F42D 1/24 characterised by the tamping material
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
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
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 1990.
Child Classifications
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