CPC Main Group Additional Only
E02B 2201/00 Devices, constructional details or methods of hydraulic engineering not otherwise provided for
3 direct subcodes
Child Classifications
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- E02B 2201/02 Devices and methods for creating a buffer zone in the water to separate, e.g. salt and sweet water
- E02B 2201/04 using old tires for hydraulic engineering
- E02B 2201/50 Devices for sequentially discharging constant liquid quantities, e.g. into different irrigation channels