Description: 164 / (34) Cutting Apparatus (88) Punch and Die Cutters (101) With Reciprocating Cutting Action (103) With Actuation and/or Control Means

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164 / 34

-> 88

-> 101

-> 103

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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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