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 Sigma S.A.filedCriticalSigma S.A.
Priority to PL353425ApriorityCriticalpatent/PL198117B1/pl
Publication of PL353425A1publicationCriticalpatent/PL353425A1/pl
Publication of PL198117B1publicationCriticalpatent/PL198117B1/pl