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Priority claimed from FI821833Aexternal-prioritypatent/FI75833C/fi
Application filed by Erba FarmitaliafiledCriticalErba Farmitalia
Publication of FI853987LpublicationCriticalpatent/FI853987L/fi
Publication of FI853987A0publicationCriticalpatent/FI853987A0/fi
Publication of FI78452BpublicationCriticalpatent/FI78452B/fi
Application grantedgrantedCritical
Publication of FI78452CpublicationCriticalpatent/FI78452C/fi