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 JP1975127546UpriorityCriticalpatent/JPS573531Y2/ja
Publication of JPS5247987UpublicationCriticalpatent/JPS5247987U/ja
Application grantedgrantedCritical
Publication of JPS573531Y2publicationCriticalpatent/JPS573531Y2/ja