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2161045
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Information
Patent Grant
2161045
References
Source
Patent Number
2,161,045
Date Filed
Not available
Date Issued
Tuesday, June 6, 1939
85 years ago
CPC
D06L3/04 - by irradiation or ozonisation electrolysis
D21C9/1015 - with use of means other than pressure, temperature
US Classifications
162 - Paper making and fiber liberation
008 - Bleaching and dyeing
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