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3574514
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Patent number 3,574,514
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Issue date Apr 13, 1971
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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3563686
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Patent number 3,563,686
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Issue date Feb 16, 1971
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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3561911
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Patent number 3,561,911
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Issue date Feb 9, 1971
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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3401002
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Patent number 3,401,002
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Issue date Sep 10, 1968
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...