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Priority to JP13470875ApriorityCriticalpatent/JPS5259213A/ja
Priority to US05/677,376prioritypatent/US4055043A/en
Priority to DE19762618939prioritypatent/DE2618939A1/de
Publication of JPS5259213ApublicationCriticalpatent/JPS5259213A/ja
Publication of JPS5419530B2publicationCriticalpatent/JPS5419530B2/ja