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3900141
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Patent number 3,900,141
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Issue date Aug 19, 1975
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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3728877
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Patent number 3,728,877
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Issue date Apr 24, 1973
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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3668922
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Patent number 3,668,922
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Issue date Jun 13, 1972
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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3648555
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Patent number 3,648,555
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Issue date Mar 14, 1972
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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2815664
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Patent number 2,815,664
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Issue date Dec 10, 1957
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...