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Application filed by И.В. КуркинfiledCriticalИ.В. Куркин
Priority to SU127328ApriorityCriticalpatent/SU35343A1/en
Priority claimed from SU127328Aexternal-prioritypatent/SU35343A1/en
Publication of SU33842A1publicationCriticalpatent/SU33842A1/en
Application grantedgrantedCritical
Publication of SU35343A1publicationCriticalpatent/SU35343A1/en