IPC Subgroup
F28G 3/1 having scrapers, hammers, or cutters, e.g. rigidly mounted
Introduced: September 1968
Last revised: January 2006
Full Title
Rotary appliances > having scrapers, hammers, or cutters, e.g. rigidly mounted
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- HEAT EXCHANGE IN GENERAL
- Subclass:
- CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OF BOILERS
2 direct subcodes
Child Classifications
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