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3909194
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Patent number 3,909,194
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Issue date Sep 30, 1975
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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3708260
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Patent number 3,708,260
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Issue date Jan 2, 1973
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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3679590
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Patent number 3,679,590
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Issue date Jul 25, 1972
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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1743155
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Patent number 1,743,155
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Issue date Jan 14, 1930
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...