Description: 238 / (18) Ties (19) Rods (20) Adjustable

Hierarchy/Derived subclasses

238 / 18

-> 19

-> 20

CIPO search

search just 238/20

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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