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 Centralny Inst Ochrony PracyfiledCriticalCentralny Inst Ochrony Pracy
Priority to PL096223UpriorityCriticalpatent/PL53694Y1/pl
Publication of PL53694Y1publicationCriticalpatent/PL53694Y1/pl