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Priority to JP2943074ApriorityCriticalpatent/JPS5418612B2/ja
Priority to DE19752510110prioritypatent/DE2510110A1/de
Publication of JPS50124725ApublicationCriticalpatent/JPS50124725A/ja
Publication of JPS5418612B2publicationCriticalpatent/JPS5418612B2/ja