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Application filed by П. М. Мад, В. И. Романенко, ФОНД зна ртпзfiledCriticalП. М. Мад
Priority to SU1837299ApriorityCriticalpatent/SU423246A1/en
Priority claimed from SU1837299Aexternal-prioritypatent/SU423246A1/en
Application grantedgrantedCritical
Publication of SU423246A2publicationCriticalpatent/SU423246A2/en
Publication of SU423246A1publicationCriticalpatent/SU423246A1/en