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Priority to JP6210180ApriorityCriticalpatent/JPS56159218A/ja
Priority to DE19813117960prioritypatent/DE3117960A1/de
Priority to US06/261,908prioritypatent/US4399257A/en
Publication of JPS56159218ApublicationCriticalpatent/JPS56159218A/ja
Publication of JPS5729488B2publicationCriticalpatent/JPS5729488B2/ja