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 Silon S PfiledCriticalSilon S P
Priority to CZ1993957UpriorityCriticalpatent/CZ848U1/en
Priority to CS896675Aprioritypatent/CS667589A2/en
Publication of CS667589A2publicationCriticalpatent/CS667589A2/en