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Application filed by Ctverak Jaroslav, Stanislav Jobanek, Karel Ing Kocman, Drazdil Josef, Stanislav Suchy, Miroslav Kupsky, Vilem Perina, Jan Ing HelanfiledCriticalCtverak Jaroslav
Priority to CS858978ApriorityCriticalpatent/CS256466B1/cs
Publication of CS897885A1publicationCriticalpatent/CS897885A1/cs
Publication of CS256466B1publicationCriticalpatent/CS256466B1/cs