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
Priority claimed from DE1690288Aexternal-prioritypatent/DE1690288B2/de
Application filedfiledCritical
Publication of JPS541030B1publicationCriticalpatent/JPS541030B1/ja