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Application filed by А.И. НайдичfiledCriticalА.И. Найдич
Priority to SU1285728/06ApriorityCriticalpatent/SU379220A1/ru
Application grantedgrantedCritical
Publication of RU379220CpublicationCriticalpatent/RU379220C/ru
Publication of SU379220A1publicationCriticalpatent/SU379220A1/ru