IPC Main Group
C05F 3/00 Fertilisers from human or animal excrements, e.g. manure
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- FERTILISERS; MANUFACTURE THEREOF
- Subclass:
- ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES , , e.g. FERTILISERS FROM WASTE OR REFUSE
Related Keywords
fertiliser compositions
3 direct subcodes
Child Classifications
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