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3501374
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Information
Patent Grant
3501374
References
Source
Patent Number
3,501,374
Date Filed
Not available
Date Issued
Tuesday, March 17, 1970
54 years ago
CPC
D21C9/142 - with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively
US Classifications
162 - Paper making and fiber liberation
008 - Bleaching and dyeing
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