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Application filed by Михайло Савелійович Цейтлін, Михаил Савельевич ЦейтлинfiledCriticalМихайло Савелійович Цейтлін
Priority to UA2000127037ApriorityCriticalpatent/UA50030A/ru
Publication of UA50030ApublicationCriticalpatent/UA50030A/ru