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Application filed by Предприятие П/Я А-3944filedCriticalПредприятие П/Я А-3944
Priority to SU1872316ApriorityCriticalpatent/SU442934A1/en
Priority claimed from SU1872316Aexternal-prioritypatent/SU442934A1/en
Application grantedgrantedCritical
Publication of SU442934A2publicationCriticalpatent/SU442934A2/en
Publication of SU442934A1publicationCriticalpatent/SU442934A1/en