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Application filed by Werner Kleemann, Michael Rath, Guenther Erben, Ilka Gruber, Sylvia Scheinert, Norbert Bose, Erhard Wolf, Harald Schaefer, Eckhard Hennig, Wilfried ZeppfiledCriticalWerner Kleemann
Priority to DD19813777ApriorityCriticalpatent/DD130356B1/de
Publication of DD130356A1publicationCriticalpatent/DD130356A1/de
Publication of DD130356B1publicationCriticalpatent/DD130356B1/de