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Electronic piano
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Patent number D1001883
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Issue date Oct 17, 2023
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JINJIANG BEISITE ELECTRONIC TECHNOLOGY CO., LTD.
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Yong Zhou
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Measurement method and apparatus
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Issue date May 25, 2021
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HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD
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Xiaowang Cai
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Imaging robot
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Patent number 9,197,800
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Resolution Art Inc.
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Lester Kirkland
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Range finding fiberscope
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Issue date Mar 4, 1980
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American Optical Corporation
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John F. Scully
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Focus system
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Honeywell Inc.
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Patent number 3,817,621
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G01 - MEASURING TESTING
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3718817
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G01 - MEASURING TESTING
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G01 - MEASURING TESTING
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3603683
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G01 - MEASURING TESTING
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3558228
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G01 - MEASURING TESTING
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G01 - MEASURING TESTING
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G01 - MEASURING TESTING
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G01 - MEASURING TESTING
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G01 - MEASURING TESTING
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G01 - MEASURING TESTING
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G01 - MEASURING TESTING
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Patent number 2,785,466
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G01 - MEASURING TESTING