IPC Main Group
C05B 7/00 Fertilisers based essentially on alkali or ammonium orthophosphates
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- FERTILISERS; MANUFACTURE THEREOF
- Subclass:
- PHOSPHATIC FERTILISERS
Related Keywords
FERTILISERS based on ammonium phosphates