Description: 270 / (53) To A Stack (70) Dropping to Top of Stack (73) From Article Edge Supports

Hierarchy/Derived subclasses

270 / 53

-> 70

-> 73

CIPO search

search just 270/73

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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