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Application filed by Werner Lauterberg, Otto Wittenburg, Werner Taube, Maedebach Karl Heinz, Herbert Steinmetzer, Dieter Pape, Herbert MaultzschfiledCriticalWerner Lauterberg
Priority to DD18316974ApriorityCriticalpatent/DD133024A3/de
Publication of DD133024A3publicationCriticalpatent/DD133024A3/de