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Application filed by Hulka Petr, Oldrich Ing Hanus, Jaroslav Hamsa, Langmajer Miroslav, Jares Frantisek, Jaroslav Nosek, Vaclav Ing HofreiterfiledCriticalHulka Petr
Priority to CS875928ApriorityCriticalpatent/CS260700B1/en
Publication of CS592887A1publicationCriticalpatent/CS592887A1/en
Publication of CS260700B1publicationCriticalpatent/CS260700B1/en