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Application filed by Stollberg Horst Heinrich, Volkmar TenzlerfiledCriticalStollberg Horst Heinrich
Priority to DD20843378ApriorityCriticalpatent/DD139224B1/de
Publication of DD139224A1publicationCriticalpatent/DD139224A1/de
Publication of DD139224B1publicationCriticalpatent/DD139224B1/de