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Priority claimed from FI1281/74Aexternal-prioritypatent/FI59388C/fi
Application filed by Suomen Sokeri OyfiledCriticalSuomen Sokeri Oy
Publication of FI792520ApublicationCriticalpatent/FI792520A/fi
Publication of FI61518BpublicationCriticalpatent/FI61518B/fi
Application grantedgrantedCritical
Publication of FI61518CpublicationCriticalpatent/FI61518C/fi