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Application filed by Jochen Suehlfleisch, Giselher Schwabe, Helmut Burchard, Ingo Palm, Konrad EismannfiledCriticalJochen Suehlfleisch
Priority to DD19635976ApriorityCriticalpatent/DD128861A1/en
Publication of DD128861A1publicationCriticalpatent/DD128861A1/en