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2040949
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Patent Grant
2040949
References
Source
Patent Number
2,040,949
Date Filed
Not available
Date Issued
Tuesday, May 19, 1936
88 years ago
CPC
D06M11/38 - Oxides or hydroxides of elements of the first Group of the Periodic System
D01C3/02 - De-gumming silk
D06M13/188 - Monocarboxylic acids Anhydrides, halides or salts thereof
US Classifications
008 - Bleaching and dyeing
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