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 JP3187971UpriorityCriticalpatent/JPS5225504Y2/ja
Publication of JPS4728757UpublicationCriticalpatent/JPS4728757U/ja
Application grantedgrantedCritical
Publication of JPS5225504Y2publicationCriticalpatent/JPS5225504Y2/ja