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Application filed by А.Н. Атлашкин, М.И. ПекшибаевfiledCriticalА.Н. Атлашкин
Priority to SU127287ApriorityCriticalpatent/SU35991A1/en
Application grantedgrantedCritical
Publication of SU35991A1publicationCriticalpatent/SU35991A1/en