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The ornamental design for a cleaning head of vacuum cleaner, as shown and described.
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The broken lines illustrate environmental subject matter only and form no part of the claimed design.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Mar 08 2019 | CHOI, SEUNG MI | RAYCOP KOREA INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 048702 | /0231 | |
| Mar 26 2019 | RAYCOP KOREA INC. | (assignment on the face of the patent) | / |
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