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Process for dyeing skins and furs
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Patent number 3,972,675
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Issue date Aug 3, 1976
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Ciba-Geigy AG
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Max Schwank
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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3486263
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Patent number 3,486,263
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Issue date Dec 30, 1969
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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3168441
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Patent number 3,168,441
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Issue date Feb 2, 1965
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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2890094
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Patent number 2,890,094
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Issue date Jun 9, 1959
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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2336221
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Patent number 2,336,221
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Issue date Dec 7, 1943
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...