IPC Subgroup
F23K 3/1 Under-feed arrangements
Introduced: September 1968
Last revised: January 2006
Full Title
Feeding or distributing of lump or pulverulent fuel to combustion apparatus > Under-feed arrangements
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION APPARATUS; COMBUSTION PROCESSES
- Subclass:
- FEEDING FUEL TO COMBUSTION APPARATUS
2 direct subcodes
Child Classifications
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