DIFF Subgroup
A01G 25/023 Full Title
Watering gardens, fields, sports grounds or the like (special apparatus or adaptations for fertilising-liquids A01C23/00; nozzles or outlets, spraying apparatus B05B) > Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation