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 JP1967106736UpriorityCriticalpatent/JPS4517971Y1/ja
Priority to US735086Aprioritypatent/US3529915A/en
Priority to DE1751491Aprioritypatent/DE1751491C3/de
Priority to FR1578169Dprioritypatent/FR1578169A/fr
Publication of JPS4517971Y1publicationCriticalpatent/JPS4517971Y1/ja