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The ornamental design for an air purifier, as shown and described.
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The details shown in broken lines form no part of the claimed design.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Aug 26 2019 | LU, JING | ZHUHAI LARGE HORSE ELECTRICAL APPLIANCE CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 050181 | /0626 | |
Aug 27 2019 | Zhuhai Large Horse Electrical Appliance Co., Ltd. | (assignment on the face of the patent) | / |
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