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Priority to JP13525673ApriorityCriticalpatent/JPS5087219A/ja
Priority to US05/528,240prioritypatent/US3940567A/en
Priority to GB52034/74Aprioritypatent/GB1486010A/en
Priority to DE2457611Aprioritypatent/DE2457611C3/de
Publication of JPS5087219ApublicationCriticalpatent/JPS5087219A/ja