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Application filed by Ivan Nikoloff, York Pitschel, Heinz Bielicke, Klaus P Schroeder, Gerhard ErnstfiledCriticalIvan Nikoloff
Priority to DD19976377ApriorityCriticalpatent/DD131815B1/de
Publication of DD131815A1publicationCriticalpatent/DD131815A1/de
Publication of DD131815B1publicationCriticalpatent/DD131815B1/de