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Application filed by Boris Alexandrovich Troshenkin, Galina Ilinichna Solovieva, Jury Nikolaevich Piskunov, Viktor Germanovich Ponomarenko, Ivan Mikhailovich KovalfiledCriticalBoris Alexandrovich Troshenkin
Priority to FI219473ApriorityCriticalpatent/FI54232C/fi
Publication of FI219473ApublicationCriticalpatent/FI219473A/fi
Publication of FI54232BpublicationCriticalpatent/FI54232B/fi
Application grantedgrantedCritical
Publication of FI54232CpublicationCriticalpatent/FI54232C/fi