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 Jaroslav Ing BernasekfiledCriticalJaroslav Ing Bernasek
Priority to CS88104ApriorityCriticalpatent/CS272324B1/cs
Publication of CS10488A1publicationCriticalpatent/CS10488A1/cs
Publication of CS272324B1publicationCriticalpatent/CS272324B1/cs