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DU YU
CN
4 patents
Top patents
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USD1031391S
Jun 18, 2024
String trimmer head
DU YU
2 citations
72
US9200591B2
Dec 1, 2015
Automatic identification of operating parameters for power plants
DU YU
6 citations
72
USD1048833S
Oct 29, 2024
String trimmer head
DU YU
0 citations
61
USD1031392S
Jun 18, 2024
String trimmer head
DU YU
1 citations
61