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 Vladimir Ing MarholdfiledCriticalVladimir Ing Marhold
Priority to CS847337ApriorityCriticalpatent/CS243111B1/en
Publication of CS733784A1publicationCriticalpatent/CS733784A1/en
Publication of CS243111B1publicationCriticalpatent/CS243111B1/en