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1679294
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Information
Patent Grant
1679294
References
Source
Patent Number
1,679,294
Date Filed
Not available
Date Issued
Tuesday, July 31, 1928
95 years ago
CPC
C22B11/08 - by cyaniding
C22B15/0013 - by roasting
C22B15/0067 - with acids or salts thereof
C22B19/22 - with leaching with acids
Y02P10/234 - by hydro metallurgy
Y02P10/236 - of Cu
US Classifications
423 - Chemistry of inorganic compounds
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