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Application filed by Rolf Arnold, Bartl Anna Maria, Martin Berthold, Helmut Eberhardt, Rudolf MuellerfiledCriticalRolf Arnold
Priority to DD20124377ApriorityCriticalpatent/DD132600B1/de
Publication of DD132600A1publicationCriticalpatent/DD132600A1/de
Publication of DD132600B1publicationCriticalpatent/DD132600B1/de