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Priority to JP1984194553UpriorityCriticalpatent/JPH0349784Y2/ja
Publication of JPS61111643UpublicationCriticalpatent/JPS61111643U/ja
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Publication of JPH0349784Y2publicationCriticalpatent/JPH0349784Y2/ja
Process and apparatus for accurately controlling the rate of introduction and the content of alumina in an igneous electrolysis tank in the production of aluminium