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3775050
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Patent number 3,775,050
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Issue date Nov 27, 1973
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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3044843
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Patent number 3,044,843
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Issue date Jul 17, 1962
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...