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Individual
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Individual
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Priority to ES46997ApriorityCriticalpatent/ES46997A1/en
Publication of ES46997A1publicationCriticalpatent/ES46997A1/en
ES46997A1909-12-181909-12-18
Improvements in the agglomeration or conversion into briquettes of copper ore concentrates before their fusion.
ExpiredES46997A1
(en)