CPC Subgroup
A01G 31/02 Special apparatus therefor (self-acting watering devices A01G27/00)
Full Title
Soilless cultivation, e.g. hydroponics (growth substrates therefor A01G24/00; cultivation of seaweed A01G33/00) > Special apparatus therefor (self-acting watering devices A01G27/00)
8 direct subcodes
Child Classifications
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- A01G 31/04 Hydroponic culture on conveyors
- A01G 31/06 Hydroponic culture on racks or in stacked containers