CPC Subgroup
C05F 17/964 Constructional parts, e.g. floors, covers or doors
Full Title
Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation > Apparatus therefor > Constructional parts, e.g. floors, covers or doors
1 direct subcode
Child Classifications
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- C05F 17/971 for feeding or discharging materials to be treated; for feeding or discharging other material