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 Milan PolacekfiledCriticalMilan Polacek
Priority to CS825907ApriorityCriticalpatent/CS237113B1/en
Publication of CS590782A1publicationCriticalpatent/CS590782A1/en
Publication of CS237113B1publicationCriticalpatent/CS237113B1/en