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 JP1975125560UpriorityCriticalpatent/JPS5647657Y2/ja
Priority to US05/652,574prioritypatent/US4059916A/en
Publication of JPS5239091UpublicationCriticalpatent/JPS5239091U/ja
Application grantedgrantedCritical
Publication of JPS5647657Y2publicationCriticalpatent/JPS5647657Y2/ja