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2080635
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Patent number 2,080,635
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Issue date May 18, 1937
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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1862208
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Patent number 1,862,208
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Issue date Jun 7, 1932
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...