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Application filed by Ю.А. Колодяжный, жный Ю.А. КолодfiledCriticalЮ.А. Колодяжный
Priority to SU93ApriorityCriticalpatent/SU64483A1/ru
Application grantedgrantedCritical
Publication of SU64483A1publicationCriticalpatent/SU64483A1/ru