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Cutter
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Patent number 11,370,042
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Issue date Jun 28, 2022
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HONG JIN INDUSTRY CO., LTD.
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Chung Tsai
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Effort-saving cutter
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Patent number 11,173,619
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Issue date Nov 16, 2021
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HONG JIN INDUSTRY CO., LTD.
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Chung Tsai
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Cutter
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Patent number 9,789,615
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Issue date Oct 17, 2017
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HONG JIN INDUSTRY CO., LTD.
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Chung Tsai
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS