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Application filed by О.М. Голосенко, И.И. ЛевкоевfiledCriticalО.М. Голосенко
Priority to SU96437ApriorityCriticalpatent/SU30071A1/en
Application grantedgrantedCritical
Publication of SU30071A1publicationCriticalpatent/SU30071A1/en