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 JP3728070UpriorityCriticalpatent/JPS5020679Y1/ja
Priority to US133062Aprioritypatent/US3690532A/en
Priority to DE2118260Aprioritypatent/DE2118260B2/de
Publication of JPS5020679Y1publicationCriticalpatent/JPS5020679Y1/ja