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Silencing mechanism of pneumatic tool
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Patent number 10,583,548
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Issue date Mar 10, 2020
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Storm Pneumatic Tool Co., Ltd.
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Yung Yung Sun
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Handheld power tool
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Patent number 10,471,582
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Issue date Nov 12, 2019
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Storm Pneumatic Tool Co., Ltd.
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Yung Yung Sun
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Pneumatic tool
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Patent number 10,189,173
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Issue date Jan 29, 2019
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Storm Pneumatic Tool Co., Ltd.
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Yung Yung Sun
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Grinding wheel
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Patent number 7,144,315
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Issue date Dec 5, 2006
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Storm Pneumatic Tool Co., Ltd.
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Yung-yung Sun
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B24 - GRINDING POLISHING