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Application filed by Valtion TeknillinenfiledCriticalValtion Teknillinen
Priority to FI934881ApriorityCriticalpatent/FI93085C/fi
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Application grantedgrantedCritical
Publication of FI93085BpublicationCriticalpatent/FI93085B/fi
Publication of FI93085CpublicationCriticalpatent/FI93085C/fi