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Application filed by Miroslav Holec, Frantisek Ing Ott, Jan Ing Csc Nemec, Frantisek Ing OplatekfiledCriticalMiroslav Holec
Priority to CS857337ApriorityCriticalpatent/CS255430B1/en
Publication of CS733785A1publicationCriticalpatent/CS733785A1/en
Publication of CS255430B1publicationCriticalpatent/CS255430B1/en