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Door lock having locking mechanism
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Patent number 10,526,816
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Issue date Jan 7, 2020
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TONG LUNG METAL INDUSTRY CO., LTD.
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Ming-Shyang Chiou
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Electric door lock
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Patent number 8,490,445
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Issue date Jul 23, 2013
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Tong Lung Metal Industry Co., Ltd.
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Ming-Shyang Chiou
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Electric door lock
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Patent number 8,291,733
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Issue date Oct 23, 2012
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Tong Lung Metal Industry Co., Ltd.
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Ming-Shyang Chiou
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Door lever
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Patent number D660128
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Issue date May 22, 2012
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Tong Lung Metal Industry Co., Ltd.
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Yu-Le Lin
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D08 - Tools and hardware