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 Myska Josef, Oldrich Ing Smetana, Kostal Stanislav, Milan Ing ReiterfiledCriticalMyska Josef
Priority to CS833476ApriorityCriticalpatent/CS231884B1/en
Publication of CS347683A1publicationCriticalpatent/CS347683A1/en
Publication of CS231884B1publicationCriticalpatent/CS231884B1/en