Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to JP8200177ApriorityCriticalpatent/JPS5417705A/ja
Priority to DE2830319Aprioritypatent/DE2830319C3/de
Priority to US05/923,196prioritypatent/US4212040A/en
Publication of JPS5417705ApublicationCriticalpatent/JPS5417705A/ja
Publication of JPS5738975B2publicationCriticalpatent/JPS5738975B2/ja