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 DESCH37847Aexternal-prioritypatent/DE1299261B/de
Application filedfiledCritical
Publication of DE1302153BpublicationCriticalpatent/DE1302153B/de