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Application filed by Харьковское Высшее Командно-Инженерное УчилищеfiledCriticalХарьковское Высшее Командно-Инженерное Училище
Priority to SU1761516ApriorityCriticalpatent/SU436988A1/en
Priority claimed from SU1761516Aexternal-prioritypatent/SU436988A1/en
Application grantedgrantedCritical
Publication of SU436988A2publicationCriticalpatent/SU436988A2/en
Publication of SU436988A1publicationCriticalpatent/SU436988A1/en