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 Bohus Ing Csc Bosina, Ladislav Burda, Stefan Ing Lasoca, Rudolf Ing Fina, Krepelka JanfiledCriticalBohus Ing Csc Bosina
Priority to CS868106ApriorityCriticalpatent/CS257692B1/en
Publication of CS810686A1publicationCriticalpatent/CS810686A1/en
Publication of CS257692B1publicationCriticalpatent/CS257692B1/en