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Application filed by Klaus Scheidig, Manfred Schingnitz, Gerhard Engel, Rolf Guether, Ekkehart Richter, Rolf Maag, Peter Goehler, Horst Kretschmer, Guenter Tietze, Friedrich BergerfiledCriticalKlaus Scheidig
Priority to DD20816278ApriorityCriticalpatent/DD138995A1/en
Publication of DD138995A1publicationCriticalpatent/DD138995A1/en