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Application filed by В.Л. Войцеховский, А.С. КостенкоfiledCriticalВ.Л. Войцеховский
Priority to SU70783ApriorityCriticalpatent/SU21323A1/ru
Application grantedgrantedCritical
Publication of SU21323A1publicationCriticalpatent/SU21323A1/ru