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Priority claimed from DE2044621Aexternal-prioritypatent/DE2044621C3/de
Application filed by Байер Аг (Фирма)filedCriticalБайер Аг (Фирма)
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Publication of SU447887A1publicationCriticalpatent/SU447887A1/ru
Publication of SU447887A3publicationCriticalpatent/SU447887A3/ru