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Application filed by Standard Electric PuhelinteollfiledCriticalStandard Electric Puhelinteoll
Priority to FI851344ApriorityCriticalpatent/FI74117C/fi
Publication of FI851344A0publicationCriticalpatent/FI851344A0/fi
Publication of FI851344LpublicationCriticalpatent/FI851344L/fi
Publication of FI74117BpublicationCriticalpatent/FI74117B/fi
Application grantedgrantedCritical
Publication of FI74117CpublicationCriticalpatent/FI74117C/fi