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 DE19681758518external-prioritypatent/DE1758518C2/de
Application filedfiledCritical
Application grantedgrantedCritical
Publication of FR1599236ApublicationCriticalpatent/FR1599236A/fr