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 FR7425988Aexternal-prioritypatent/FR2279573A2/fr
Application filed by Michelin & CiefiledCriticalMichelin & Cie
Priority to AT23477ApriorityCriticalpatent/AT344028B/de
Publication of ATA23477ApublicationCriticalpatent/ATA23477A/de
Application grantedgrantedCritical
Publication of AT344028BpublicationCriticalpatent/AT344028B/de