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 Ando JanfiledCriticalAndo Jan
Priority to CS881553ApriorityCriticalpatent/CS269222B1/cs
Priority to IT8919702Aprioritypatent/IT1228702B/it
Publication of CS155388A1publicationCriticalpatent/CS155388A1/cs
Publication of CS269222B1publicationCriticalpatent/CS269222B1/cs