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Filing date
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Application filed by А. Н. Тоцкий, И. Е. Бурштейн, Ю. В. Путиловский, К. А. Серенко, Ю. В. Харьков, А. А. РыжовfiledCriticalА. Н. Тоцкий
Priority to SU1670969ApriorityCriticalpatent/SU429936A1/ru
Priority claimed from SU1670969Aexternal-prioritypatent/SU429936A1/ru
Application grantedgrantedCritical
Publication of SU429936A2publicationCriticalpatent/SU429936A2/ru
Publication of SU429936A1publicationCriticalpatent/SU429936A1/ru