Description: 302 / (4) With Fan Blowers (5) Suction Intake (7) Air Blast Assisted

Hierarchy/Derived subclasses

302 / 4

-> 5

-> 7

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search just 302/7

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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