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SMART PIANO SYSTEM
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Publication date Jun 18, 2020
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SUNLAND INFORMATION TECHNOLOGY CO., LTD.
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Xiaolu LIU
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Publication date Jan 23, 2020
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SUNLAND INFORMATION TECHNOLOGY CO., LTD.
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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PIANO SYSTEM AND METHOD THEREOF
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Publication number 20190304413
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Publication date Oct 3, 2019
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SUNLAND INFORMATION TECHNOLOGY CO., LTD.
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Xiaolu LIU
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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PIANO SYSTEM AND METHOD THEREOF
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Publication number 20190244539
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Publication date Aug 8, 2019
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SUNLAND INFORMATION TECHNOLOGY CO., LTD.
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Bin YAN
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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AUTOMATIC PLAYING SYSTEM
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Publication number 20190019480
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Publication date Jan 17, 2019
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SUNLAND INFORMATION TECHNOLOGY CO., LTD.
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Xiaolu LIU
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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SMART PIANO SYSTEM
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Publication number 20180322856
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Publication date Nov 8, 2018
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SUNLAND INFORMATION TECHNOLOGY CO., LTD.
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Xiaolu LIU
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G10 - MUSICAL INSTRUMENTS ACOUSTICS