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Application filed by Vojtech Ing Csc Jelen, Miroslav Ing Simunek, Josef Zahalka, Miroslav Ing FribertfiledCriticalVojtech Ing Csc Jelen
Priority to CS859218ApriorityCriticalpatent/CS253166B1/en
Publication of CS921885A1publicationCriticalpatent/CS921885A1/en
Publication of CS253166B1publicationCriticalpatent/CS253166B1/en