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2842776
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Patent number 2,842,776
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Issue date Jul 15, 1958
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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1852901
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Patent number 1,852,901
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Issue date Apr 5, 1932
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...