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Application filed by Vladimir Ing Csc Stanek, Pavlik Oldrich, Miroslav Ing Bosak, Jan Rndr Ing Mrazek, Bohuslav Ing Planka, Vladimir Ing Csc Jiricny, Petr Ing VychodilfiledCriticalVladimir Ing Csc Stanek
Priority to CS832303ApriorityCriticalpatent/CS239254B1/en
Publication of CS230383A1publicationCriticalpatent/CS230383A1/en
Publication of CS239254B1publicationCriticalpatent/CS239254B1/en