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Inventors
Fangzheng Chen
Xi'an
CN
3 patents
3 Patents
US12533527
2026
Head Positioning Frame
OUR UNITED CORPORATION
0 cites
US12161511
2024
Mask Positioning Assembly and Positioning System
OUR UNITED CORPORATION
0 cites
US11666779
2023
Shielding Apparatus
Our United Corporation
0 cites