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Patents
Patents Assigned to Dongguan Huaying Zhizao Co., Ltd.
Patents Assigned to Dongguan Huaying Zhizao Co., Ltd.
Dust bag
Patent number:
D989429
Type:
Grant
Filed:
February 21, 2023
Date of Patent:
June 13, 2023
Assignee:
Dongguan Huaying Zhizao Co., Ltd.
Inventor:
Gang Chen