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German A. Alvarez Villanueva
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C. Habana, CU
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last 30 patents
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Patent Grant
Hydrometallurgical process for the recovery of nickel and cobalt by...
Patent number
6,524,367
Issue date
Feb 25, 2003
Centro de Investigaciones Para la Industria Minero-Metalurgcia (CIPIMM)
Jose Castellanos Suarez
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...