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.)
Filing date
Publication date
Application filedfiledCritical
Priority to JP9478876ApriorityCriticalpatent/JPS5320782A/ja
Priority to US05/822,658prioritypatent/US4204132A/en
Publication of JPS5320782ApublicationCriticalpatent/JPS5320782A/ja
Publication of JPS5340876B2publicationCriticalpatent/JPS5340876B2/ja