CPC B64C27/04

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CPC B64C27/04 is a category in the CPC patent technology category system for helicopters. It is within this category tree:[1]

References

  1. From example patent [1] at google patents


Patents in category CPC B64C27/04

Enclosing categories CPC B64C27/00
Subcategories CPC B64C27/06, CPC B64C27/12
Keywords Helicopter
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