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Upright piano type action
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Patent number 8,294,009
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Issue date Oct 23, 2012
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Yamaha Corporation
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Shigeru Muramatsu
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Repetition lever of grand piano
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Patent number 7,678,977
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Issue date Mar 16, 2010
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Kabushiki Kaisha Kawai Gakki Seisakusho
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Kenji Yoshisue
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Player piano devices
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Patent number 4,445,416
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Issue date May 1, 1984
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Walter Quednau
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3100416
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Patent number 3,100,416
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2835157
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2779226
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Patent number 2,779,226
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2532226
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Patent number 2,532,226
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2109192
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Patent number 2,109,192
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1866152
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Patent number 1,866,152
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1606671
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1599743
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Patent number 1,599,743
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Issue date Sep 14, 1926
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1598203
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Patent number 1,598,203
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1586547
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Patent number 1,586,547
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1573607
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Patent number 1,573,607
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1554977
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Patent number 1,554,977
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1362414
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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772683
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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679485
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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668424
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Patent number 668,424
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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625127
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Patent number 625,127
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Issue date May 16, 1899
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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625128
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Patent number 625,128
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Issue date May 16, 1899
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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625129
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Patent number 625,129
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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585716
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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585717
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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566808
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Patent number 566,808
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G10 - MUSICAL INSTRUMENTS ACOUSTICS