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Application filed by Zdenek Ing Ing Csc Steffl, Jiri Ing Csc Spazier, Josef Ing Filipek, Vlastimil Ing Chrast, Ales Jirak, Miloslav Ing SesulkafiledCriticalZdenek Ing Ing Csc Steffl
Priority to CS836973ApriorityCriticalpatent/CS238126B1/en
Publication of CS697383A1publicationCriticalpatent/CS697383A1/en
Publication of CS238126B1publicationCriticalpatent/CS238126B1/en