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Application filed by Madeleine VanlautemfiledCriticalMadeleine Vanlautem
Priority to BE614653ApriorityCriticalpatent/BE614653R/en
Priority to FR18057Aprioritypatent/FR1326239A/en
Application grantedgrantedCritical
Publication of BE614653RpublicationCriticalpatent/BE614653R/en
Priority to DE19621434010prioritypatent/DE1434010A1/en