IPC Main Group
C05B 17/00 Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- FERTILISERS; MANUFACTURE THEREOF
- Subclass:
- PHOSPHATIC FERTILISERS
1 direct subcode
Child Classifications
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- C05B 17/02 containing manganese