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The ornamental design for a rotor for multicopters, as shown and described.
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| Feb 05 2020 | HARADA, MASASHI | JAPAN AEROSPACE EXPLORATION AGENCY | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 052052 | /0595 | |
| Feb 13 2020 | JAPAN AEROSPACE EXPLORATION AGENCY | (assignment on the face of the patent) | / |
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