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 Jiri Ing Kolinek, Proksa Bohumil, Jozef Ing Cerny, Varga Ivan, Frimm Richard, Gattnar OndrejfiledCriticalJiri Ing Kolinek
Priority to CS834276ApriorityCriticalpatent/CS233266B1/cs
Publication of CS427683A1publicationCriticalpatent/CS427683A1/cs
Publication of CS233266B1publicationCriticalpatent/CS233266B1/cs