Multi-functional polishing machine
The broken lines shown in the drawings are included for the purpose of illustrating portions of the multi-functional polishing machine that form no part of the claimed design.
Claims
The ornamental design for a multi-functional polishing machine, as shown and described.
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Type: Grant
Filed: Aug 4, 2021
Date of Patent: Jul 12, 2022
Inventor: Tianming Li (Jiangsu)
Primary Examiner: Austin Murphy
Application Number: 29/802,370