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Application filed by С. А. Андрейчик, Е. С. Ковальчук, В. К. Марченко, Производственное предпри тие наладке, испытани, энергетического оборудовани электрических станций, сетейfiledCriticalС. А. Андрейчик
Priority to SU1691547ApriorityCriticalpatent/SU421097A1/en
Priority claimed from SU1691547Aexternal-prioritypatent/SU421097A1/en
Application grantedgrantedCritical
Publication of SU421097A2publicationCriticalpatent/SU421097A2/en
Publication of SU421097A1publicationCriticalpatent/SU421097A1/en