Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jasinsky Zdenek, Cestmir Ing Matejka, Oldrich Ing Kabelac, Bretislavc Ing DivakfiledCriticalJasinsky Zdenek
Priority to CS822133ApriorityCriticalpatent/CS239601B1/en
Publication of CS213382A1publicationCriticalpatent/CS213382A1/en
Publication of CS239601B1publicationCriticalpatent/CS239601B1/en