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2219280
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Patent number 2,219,280
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Issue date Oct 29, 1940
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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2136377
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Patent number 2,136,377
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Issue date Nov 15, 1938
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...