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3258513
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Patent number 3,258,513
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Issue date Jun 28, 1966
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3256121
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Patent number 3,256,121
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Issue date Jun 14, 1966
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3083134
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Patent number 3,083,134
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Issue date Mar 26, 1963
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...