Description: 238 / (18) Ties (42) Non Metallic (43) Internal Reinforcement (44) Bar, Tube or Plate

Hierarchy/Derived subclasses

238 / 18-> 42-> 43-> 44

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search just 238/44

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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