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Application filed by Ю.Н. Мясоедова, соедова Ю.Н. МfiledCriticalЮ.Н. Мясоедова
Priority to SU76762ApriorityCriticalpatent/SU28294A1/ru
Application grantedgrantedCritical
Publication of SU28294A1publicationCriticalpatent/SU28294A1/ru