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.)
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Priority claimed from FR812705Aexternal-prioritypatent/FR1329570A/fr
Application filedfiledCritical
Priority to FR837286ApriorityCriticalpatent/FR514M/fr
Application grantedgrantedCritical
Publication of FR514MpublicationCriticalpatent/FR514M/fr
