IPC Subgroup
C05D 1/04 from minerals or volcanic rocks
Introduced: September 1968
Last revised: January 2006
Full Title
Fertilisers containing potassium > from minerals or volcanic rocks
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- FERTILISERS; MANUFACTURE THEREOF
- Subclass:
- INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES ,; FERTILISERS PRODUCING CARBON DIOXIDE