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Speed-changing tool
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Patent number 10,751,869
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Issue date Aug 25, 2020
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Positec Power Tools (Suzhou) Co., Ltd.
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Mingjian Xie
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Chuck
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Patent number 10,632,544
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Issue date Apr 28, 2020
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Positec Power Tools (Suzhou) Co., Ltd.
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Mingjian Xie
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Power tool
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Patent number 10,315,292
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Issue date Jun 11, 2019
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Positec Power Tools (Suzhou) Co., Ltd.
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Zhi Chen
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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