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Priority to JP10406073ApriorityCriticalpatent/JPS526743B2/ja
Priority to US05/436,896prioritypatent/US3980678A/en
Priority to GB427974Aprioritypatent/GB1456723A/en
Publication of JPS50116521ApublicationCriticalpatent/JPS50116521A/ja
Publication of JPS526743B2publicationCriticalpatent/JPS526743B2/ja