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Application grantedgrantedCritical
Publication of SU1534A1publicationCriticalpatent/SU1534A1/ru
Application filed by С.О. МаксимовичfiledCriticalС.О. Максимович
Priority to SU76032ApriorityCriticalpatent/SU22032A1/ru
Priority claimed from SU76032Aexternal-prioritypatent/SU22032A1/ru
Publication of SU22032A1publicationCriticalpatent/SU22032A1/ru