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Patents
Patents Assigned to Shenzhen Yishifu Technology Innovation Co., Ltd.
Patents Assigned to Shenzhen Yishifu Technology Innovation Co., Ltd.
Metal detector
Patent number:
D991798
Type:
Grant
Filed:
November 9, 2021
Date of Patent:
July 11, 2023
Assignee:
Shenzhen Yishifu Technology Innovation Co., Ltd.
Inventor:
Qing Shi