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2489278
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Patent number 2,489,278
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Issue date Nov 29, 1949
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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2480921
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Patent number 2,480,921
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Issue date Sep 6, 1949
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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1826816
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Patent number 1,826,816
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Issue date Oct 13, 1931
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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1747293
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Patent number 1,747,293
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Issue date Feb 18, 1930
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...