IPC Subgroup
C05F 3/06 Apparatus for their manufacture
Introduced: September 1968
Last revised: January 2006
Full Title
Fertilisers from human or animal excrements, e.g. manure > Apparatus for their manufacture
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- FERTILISERS; MANUFACTURE THEREOF
- Subclass:
- ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES , , e.g. FERTILISERS FROM WASTE OR REFUSE