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Priority to FR1204338DpriorityCriticalpatent/FR1204338A/fr
Application filedfiledCritical
Priority to FR772443Aprioritypatent/FR74096E/fr
Priority to BE573762Aprioritypatent/BE573762A/fr
Priority to DEC18088Aprioritypatent/DE1267087B/de
Priority to GB41077/58Aprioritypatent/GB907023A/en
Application grantedgrantedCritical
Publication of FR74096EpublicationCriticalpatent/FR74096E/fr