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Priority claimed from DK418770Aexternal-prioritypatent/DK129179B/da
Application filed by Yrjoe Kalevi Ensio MiettinenfiledCriticalYrjoe Kalevi Ensio Miettinen
Priority to DK116373ApriorityCriticalpatent/DK140576B/da
Publication of DK140576BpublicationCriticalpatent/DK140576B/da
Application grantedgrantedCritical
Publication of DK140576CpublicationCriticalpatent/DK140576C/da