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Application filed by Vsevolod Sergeevich Scherbakov, Igor Andreevich Gruzintsev, Viktor Mikhailovich ZolotukhinfiledCriticalVsevolod Sergeevich Scherbakov
Priority to DK84775ApriorityCriticalpatent/DK141417B/da
Publication of DK84775ApublicationCriticalpatent/DK84775A/da
Publication of DK141417BpublicationCriticalpatent/DK141417B/da
Application grantedgrantedCritical
Publication of DK141417CpublicationCriticalpatent/DK141417C/da