Description: 122 / (1) Cleaning And Scale Prevention (3) Water Side (7) By Solvent Action or Addition of Chemicals

Hierarchy/Derived subclasses

122 / 1

-> 3

-> 7

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search just 122/7

This will show what classes derive from the input. Ex: entering 78/35 shows the derived classes and the search that can be used to find patents in those subclasses.

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