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Yongkang Zuojian Industry And Trade Co., Ltd.
5 patents in portfolio
USD1105303
design
2025
Adjustable Dumbbell
0 cites
USD1104177
design
2025
Dumbbell
0 cites
US12403349
utility
2025
Adjustable Dumbbell
0 cites
US12214239
utility
2025
Dumbbell, Barbell, and Kettlebell
0 cites
USD1048245
design
2024
Dumbbell
0 cites