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Application filed by Reinhardt Bauer, Horst Liebergeld, Guenther Bebendorf, Rudolf PochertfiledCriticalReinhardt Bauer
Priority to DD23934082ApriorityCriticalpatent/DD209319B1/en
Publication of DD209319A1publicationCriticalpatent/DD209319A1/en
Publication of DD209319B1publicationCriticalpatent/DD209319B1/en