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 JP1972134494UpriorityCriticalpatent/JPS5130842Y2/ja
Publication of JPS4991134UpublicationCriticalpatent/JPS4991134U/ja
Application grantedgrantedCritical
Publication of JPS5130842Y2publicationCriticalpatent/JPS5130842Y2/ja