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Keyboard for a carillon
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Patent number 4,570,528
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Issue date Feb 18, 1986
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Koninklijke Eijsbouts Klokkengieterij En Fabriek Van Torenuurwerken B.V.
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Peter Bakker
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Piano pedal extension
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Patent number 4,418,604
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Issue date Dec 6, 1983
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Jaime S. Kim
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Pedalboard
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Patent number 4,278,004
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Issue date Jul 14, 1981
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Paul A. Klann
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Organ pedal board
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Patent number 4,151,774
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Issue date May 1, 1979
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Paul A. Klann
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3789722
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Patent number 3,789,722
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Issue date Feb 5, 1974
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3443470
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Patent number 3,443,470
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Issue date May 13, 1969
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3408448
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Patent number 3,408,448
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Issue date Oct 29, 1968
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2499244
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Patent number 2,499,244
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Issue date Feb 28, 1950
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2341725
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Patent number 2,341,725
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Issue date Feb 15, 1944
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2039518
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Patent number 2,039,518
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Issue date May 5, 1936
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2003227
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Patent number 2,003,227
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Issue date May 28, 1935
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1332668
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Patent number 1,332,668
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Issue date Mar 2, 1920
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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908404
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Patent number 908,404
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Issue date Dec 29, 1908
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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888939
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Patent number 888,939
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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589644
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Patent number 589,644
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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391181
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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308386
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Patent number 308,386
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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228963
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Patent number 228,963
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Issue date Jun 15, 1880
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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225289
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Patent number 225,289
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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221609
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Patent number 221,609
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Issue date Nov 11, 1879
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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179811
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Patent number 179,811
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Issue date Jul 11, 1876
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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155219
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Patent number 155,219
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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123429
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Patent number 123,429
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Issue date Feb 6, 1872
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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21990
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Patent number 21,990
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Issue date Nov 2, 1858
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G10 - MUSICAL INSTRUMENTS ACOUSTICS