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Application filed by Sok Vaajakosken TehtaatfiledCriticalSok Vaajakosken Tehtaat
Priority to FI752366ApriorityCriticalpatent/FI52057C/fi
Application grantedgrantedCritical
Publication of FI52057BpublicationCriticalpatent/FI52057B/fi
Publication of FI52057CpublicationCriticalpatent/FI52057C/fi