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Machine for cleaning shoe soles
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Patent number 4,432,112
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Issue date Feb 21, 1984
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Max Muller
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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3784997
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Patent number 3,784,997
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Issue date Jan 15, 1974
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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3563358
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Patent number 3,563,358
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Issue date Feb 16, 1971
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G07 - CHECKING-DEVICES
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3557928
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Patent number 3,557,928
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Issue date Jan 26, 1971
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G07 - CHECKING-DEVICES
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3145403
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Patent number 3,145,403
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Issue date Aug 25, 1964
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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2818589
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Patent number 2,818,589
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Issue date Jan 7, 1958
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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2073124
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Patent number 2,073,124
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Issue date Mar 9, 1937
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G07 - CHECKING-DEVICES
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1625339
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Patent number 1,625,339
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Issue date Apr 19, 1927
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G07 - CHECKING-DEVICES