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Publication date
Application filed by Jozef Ing Cernicka, Katarina Ing NagyovafiledCriticalJozef Ing Cernicka
Priority to CS854454ApriorityCriticalpatent/CS251369B1/en
Priority to DD29117686Aprioritypatent/DD270637A3/en
Publication of CS445485A1publicationCriticalpatent/CS445485A1/en
Publication of CS251369B1publicationCriticalpatent/CS251369B1/en