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 FR7120941Aexternal-prioritypatent/FR2140310B1/fr
Application filed by AnvarfiledCriticalAnvar
Priority to AT634375ApriorityCriticalpatent/AT340735B/de
Publication of ATA634375ApublicationCriticalpatent/ATA634375A/de
Application grantedgrantedCritical
Publication of AT340735BpublicationCriticalpatent/AT340735B/de