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2647864
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Information
Patent Grant
2647864
References
Source
Patent Number
2,647,864
Date Filed
Not available
Date Issued
Tuesday, August 4, 1953
71 years ago
CPC
C23F1/18 - for etching copper or alloys thereof
B41N1/10 - multiple
US Classifications
205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
101 - Printing
216 - Etching a substrate: processes
252 - Compositions
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