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The ornamental design for a vacuum packaging machine, as shown and described.
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The broken lines illustrate portions of the vacuum packaging machine which form no part of the claimed design.
Wang, Jianquan, Wang, Wenzheng
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| Apr 05 2021 | WANG, JIANQUAN | XIAMEN AGMA TECHNOLOGY CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 055973 | /0262 | |
| Apr 08 2021 | XIAMEN AGMA TECHNOLOGY CO., LTD. | (assignment on the face of the patent) | / |
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