CA 244/15
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CA 244/15 is a Canadian patent category for helicopters -- heavier-than-air craft sustained in the air by rotating wings.[1][2][3]
References
This wiki has 1 patents in category "CA 244/15".
Patents in category CA 244/15
- Patent CA-1912-143449 (English title: Flying machine, Inventors: Kurt Schultze, Filing date: 1912-02-09)
Enclosing categories | CA 244/3 |
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Subcategories | CA 244/16, CA 244/17, CA 244/18, CA 244/19, CA 244/20 |
Keywords | Helicopter |
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