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 Zdenek NemecfiledCriticalZdenek Nemec
Priority to CS87076ApriorityCriticalpatent/CS182046B1/cs
Publication of CS182046B1publicationCriticalpatent/CS182046B1/cs