IPC Main Group
C05C 3/00 Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- FERTILISERS; MANUFACTURE THEREOF
- Subclass:
- NITROGENOUS FERTILISERS