Description: 119 / (14) Nests And Nest Appliances Or Materials (15) Trap (16) Egg

Hierarchy/Derived subclasses

119 / 14-> 15-> 16

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search just 119/16

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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