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Publication date
Priority claimed from FI751225Aexternal-prioritypatent/FI751225A/fi
Application filed by Kauko Armas TakalofiledCriticalKauko Armas Takalo
Priority to FI763339ApriorityCriticalpatent/FI53753C/en
Publication of FI763339ApublicationCriticalpatent/FI763339A/fi
Application grantedgrantedCritical
Publication of FI53753BpublicationCriticalpatent/FI53753B/fi
Publication of FI53753CpublicationCriticalpatent/FI53753C/en