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 B P Gospodarki BiprowodfiledCriticalB P Gospodarki Biprowod
Priority to PL27180188ApriorityCriticalpatent/PL271801A1/en
Publication of PL271801A1publicationCriticalpatent/PL271801A1/en