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Application filed by Tsnii Bumagi, Ts Na Issl I Proe Konstr InstfiledCriticalTsnii Bumagi
Priority to FI760014ApriorityCriticalpatent/FI58371C/en
Publication of FI760014ApublicationCriticalpatent/FI760014A/fi
Application grantedgrantedCritical
Publication of FI58371BpublicationCriticalpatent/FI58371B/en
Publication of FI58371CpublicationCriticalpatent/FI58371C/en