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Telescopic ladder
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Patent number D872880
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Issue date Jan 14, 2020
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NINGBO XINGFU TOOLS CO., LTD.
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Wanxing Wang
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D25 - Building units and construction elements
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Work ladder used as working platform
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Patent number 10,167,668
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Issue date Jan 1, 2019
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Ningbo Xingfu Tools Co., Ltd.
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Wanxing Wang
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Working ladder
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Patent number D764073
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Issue date Aug 16, 2016
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Ningbo Xingfu Tools Co., Ltd.
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Wanxing Wang
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D25 - Building units and construction elements