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Priority claimed from FI791370Aexternal-prioritypatent/FI67918C/fi
Application filed by Kauko Armas TakalofiledCriticalKauko Armas Takalo
Priority to FI812667ApriorityCriticalpatent/FI812667A7/fi
Publication of FI812667A7publicationCriticalpatent/FI812667A7/fi