Description: 70 / (12) Special Application (15) For Control Mechanisms (19) Vehicle Steering (20) Post- or Column-Type

Hierarchy/Derived subclasses

70 / 12

-> 15

-> 19

-> 20

CIPO search

search just 70/20

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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