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 Richard Ing Hala, Volf Radko, Samek Zdenek, Vaclav Ing Vokac, Milan Ing Tomsa, Wolfgang Ing Prade, Stastny Miloslav, Dolezal BohuslavfiledCriticalRichard Ing Hala
Priority to CS873911ApriorityCriticalpatent/CS268261B1/en
Publication of CS391187A1publicationCriticalpatent/CS391187A1/en
Publication of CS268261B1publicationCriticalpatent/CS268261B1/en