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3209636
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3003384
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2824477
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2711665
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2650514
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2650515
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Patent number 2,650,515
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Issue date Sep 1, 1953
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2633046
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Patent number 2,633,046
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2598416
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Patent number 2,598,416
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2071986
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1818851
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Patent number 1,818,851
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1680368
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Patent number 1,680,368
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1677908
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Patent number 1,677,908
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1573973
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Issue date Feb 23, 1926
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1566315
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Patent number 1,566,315
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1454041
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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1431907
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Patent number 1,431,907
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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1397988
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Patent number 1,397,988
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Issue date Nov 22, 1921
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1053273
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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711190
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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691900
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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689770
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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593887
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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562386
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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500009
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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490970
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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481976
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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470241
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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451124
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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364865
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G10 - MUSICAL INSTRUMENTS ACOUSTICS