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3910225
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3769870
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2923931
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2754504
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2719968
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2707276
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Patent number 2,707,276
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2428648
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Patent number 2,428,648
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2386738
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2299591
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Patent number 2,299,591
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2271084
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Patent number 2,271,084
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1940206
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1765768
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1740355
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Patent number 1,740,355
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1733175
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Patent number 1,733,175
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1482583
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1482582
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Patent number 1,482,582
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1374432
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1340059
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1128857
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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848725
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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802437
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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675653
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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588942
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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579169
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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528112
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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517450
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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504827
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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488388
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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452932
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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451121
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Patent number 451,121
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G10 - MUSICAL INSTRUMENTS ACOUSTICS