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1846860
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Patent number 1,846,860
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Issue date Feb 23, 1932
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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1445081
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Patent number 1,445,081
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Issue date Feb 13, 1923
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...