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 Zbynek Ing Prochazka, Ruzicka Miroslav, Sinkora ZdenekfiledCriticalZbynek Ing Prochazka
Priority to CS881239ApriorityCriticalpatent/CS269211B1/cs
Publication of CS123988A1publicationCriticalpatent/CS123988A1/cs
Publication of CS269211B1publicationCriticalpatent/CS269211B1/cs