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Application filed by В.И. БондаренкоfiledCriticalВ.И. Бондаренко
Priority to SU2676528/06ApriorityCriticalpatent/SU803551A1/ru
Application grantedgrantedCritical
Publication of RU803551CpublicationCriticalpatent/RU803551C/ru
Publication of SU803551A1publicationCriticalpatent/SU803551A1/ru