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 Spółka AkcyjnafiledCriticalSIGMA Spółka Akcyjna
Priority to PL389052ApriorityCriticalpatent/PL217873B1/pl
Publication of PL389052A1publicationCriticalpatent/PL389052A1/pl
Publication of PL217873B1publicationCriticalpatent/PL217873B1/pl