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Application filed by Vladimir Staroba, Frantisek Ing Zednik, Miroslav Kocab, Jan RyskafiledCriticalVladimir Staroba
Priority to CS8410216ApriorityCriticalpatent/CS243422B1/cs
Publication of CS1021684A1publicationCriticalpatent/CS1021684A1/cs
Publication of CS243422B1publicationCriticalpatent/CS243422B1/cs