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CHUANG-KANG MACHINERY TECHNOLOGY CO., Ltd
4 patents in portfolio
US12557935
utility
2026
Coffee Grinder
0 cites
US12262848
utility
2025
Rocker Arm Structure of Hand-operated Bean Grinder
0 cites
USD1045494
design
2024
Crankshaft
0 cites
US11857113
utility
2024
Coffee Bean Grinder
0 cites