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Application filed by Jelinek Jan, Ludek Ing Grochol, Milos Ing Karnovsky, Jiri Ing Simsa, Vaclav Ing Vitek, Jiri Ing MojzisekfiledCriticalJelinek Jan
Priority to CS864934ApriorityCriticalpatent/CS258525B1/en
Publication of CS493486A1publicationCriticalpatent/CS493486A1/en
Publication of CS258525B1publicationCriticalpatent/CS258525B1/en