Description: 46 / (66) Wheeled (76) Vehicles (77) With Guiding Pathway or Guide Rail (78) With External Propulsion Means for Unpowered Vehicles

Hierarchy/Derived subclasses

46 / 66-> 76-> 77-> 78

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search just 46/78

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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