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 Josef Ing Csc Vahala, Radek Ing Drbohlav, Stanislav Kriz, Miloslav Ing NavratilfiledCriticalJosef Ing Csc Vahala
Priority to CS846713ApriorityCriticalpatent/CS241816B1/cs
Publication of CS671384A1publicationCriticalpatent/CS671384A1/cs
Publication of CS241816B1publicationCriticalpatent/CS241816B1/cs