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Application filed by Frantisek Hanikyr, Bedrich Ing Lobovsky, Milan Ing Csc PeterkafiledCriticalFrantisek Hanikyr
Priority to CS871418ApriorityCriticalpatent/CS258299B1/cs
Publication of CS141887A1publicationCriticalpatent/CS141887A1/cs
Publication of CS258299B1publicationCriticalpatent/CS258299B1/cs