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2425652
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Patent number 2,425,652
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Issue date Aug 12, 1947
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B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
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1719353
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Patent number 1,719,353
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Issue date Jul 2, 1929
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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1483668
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Patent number 1,483,668
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Issue date Feb 12, 1924
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES