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 JP1150675UpriorityCriticalpatent/JPS5652665Y2/ja
Priority to US05/641,271prioritypatent/US4025879A/en
Publication of JPS5193639UpublicationCriticalpatent/JPS5193639U/ja
Application grantedgrantedCritical
Publication of JPS5652665Y2publicationCriticalpatent/JPS5652665Y2/ja