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Application filed by Karl Schmidt, Guenter Barsikow, Hans Schlesing, Wenzel Bernd Dieter, Karlheinz Werner, Guenter HaehnelfiledCriticalKarl Schmidt
Priority to DD22391480ApriorityCriticalpatent/DD153279B1/de
Publication of DD153279A1publicationCriticalpatent/DD153279A1/de
Publication of DD153279B1publicationCriticalpatent/DD153279B1/de