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Priority to FR851908ApriorityCriticalpatent/FR79100E/fr
Priority to LU40232Dprioritypatent/LU40232A1/xx
Priority to CH667661Aprioritypatent/CH373313A/fr
Priority to BE604772Aprioritypatent/BE604772A/fr
Priority to DEC8333Uprioritypatent/DE1836390U/de
Application grantedgrantedCritical
Publication of FR79100EpublicationCriticalpatent/FR79100E/fr