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Application filed by Dieter Baerwolff, Detlef MurawskifiledCriticalDieter Baerwolff
Priority to DD19289273ApriorityCriticalpatent/DD128847B1/en
Publication of DD128847A1publicationCriticalpatent/DD128847A1/en
Publication of DD128847B1publicationCriticalpatent/DD128847B1/en