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3775165
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Patent number 3,775,165
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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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3700397
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Patent number 3,700,397
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Issue date Oct 24, 1972
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...