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Publication date
Priority claimed from FI763378Aexternal-prioritypatent/FI63049C/en
Application filed by Mety OyfiledCriticalMety Oy
Priority to FI810386ApriorityCriticalpatent/FI62852C/en
Publication of FI810386LpublicationCriticalpatent/FI810386L/en
Application grantedgrantedCritical
Publication of FI62852BpublicationCriticalpatent/FI62852B/en
Publication of FI62852CpublicationCriticalpatent/FI62852C/en