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Class Information
Number: 405/36
Name: Hydraulic and earth engineering > Drainage or irrigation
Description: Method or apparatus including a step or means for either (a) collecting and removing surplus water from the soil, (b) applying water to the soil for agricultural purposes, or (c) the installation of apparatus for collecting and removing water from the soil or applying water to the soil.
Sub-classes under this class:
Patents under this class:
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