Heating or cooling during the treatment

Full Title

Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation > Heating or cooling during the treatment

Classification Context

Section:

CHEMISTRY; METALLURGY

Class:

FERTILISERS; MANUFACTURE THEREOF

Subclass:

ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES , , e.g. FERTILISERS FROM WASTE OR REFUSE