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Priority to JP9477472ApriorityCriticalpatent/JPS5325118B2/ja
Priority to FR7332184Aprioritypatent/FR2199177A1/fr
Publication of JPS4950498ApublicationCriticalpatent/JPS4950498A/ja
Publication of JPS5325118B2publicationCriticalpatent/JPS5325118B2/ja
Cobalt substd gamma-ferric oxide magnetic powder - modified with a halide to increase coercive force and residual induction and diminish the temp dependence
