IPC Subgroup
F42D 1/12 Feeding tamping material by pneumatic or hydraulic pressure
Introduced: January 1990
Last revised: January 2006
Full Title
Blasting methods or apparatus, e.g. for loading or tamping > Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor > Feeding tamping material by pneumatic or hydraulic pressure
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- AMMUNITION; BLASTING
- Subclass:
- BLASTING