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Application filed by Kapolka Jozef, Kavka Jaroslav, Mach Antonin, Podhradsky Dusan, Zdeno Duratny, Jozef Fuljer, Peter Sliviak, Karol Velic, Matyas KarolfiledCriticalKapolka Jozef
Priority to CS8722ApriorityCriticalpatent/CS264830B1/en
Publication of CS2287A1publicationCriticalpatent/CS2287A1/en
Publication of CS264830B1publicationCriticalpatent/CS264830B1/en