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2012968
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Patent number 2,012,968
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Issue date Sep 3, 1935
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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2012069
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Patent number 2,012,069
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Issue date Aug 20, 1935
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...