Description: 342 / (20) With Signal Or Energy Processing (23) For Motive Power (29) For Electric Drive (32) Vehicle Steering (33) Aircraft Control Surface (E.g., Wing Flaps)

Hierarchy/Derived subclasses

342 / 20

-> 23

-> 29

-> 32

-> 33

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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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