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3473955
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Patent number 3,473,955
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Issue date Oct 21, 1969
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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3429741
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Patent number 3,429,741
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Issue date Feb 25, 1969
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...