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 Roman Ing Chodura, Jan Ing KafkafiledCriticalRoman Ing Chodura
Priority to CS879451ApriorityCriticalpatent/CS269894B1/en
Publication of CS945187A1publicationCriticalpatent/CS945187A1/en
Publication of CS269894B1publicationCriticalpatent/CS269894B1/en