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Application filed by La Bretoniere Andre Benoit DefiledCriticalLa Bretoniere Andre Benoit De
Priority to FI3546/74ApriorityCriticalpatent/FI58520C/fi
Publication of FI354674A7publicationCriticalpatent/FI354674A7/fi
Application grantedgrantedCritical
Publication of FI58520BpublicationCriticalpatent/FI58520B/fi
Publication of FI58520CpublicationCriticalpatent/FI58520C/fi