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 Akad Gorniczo HutniczafiledCriticalAkad Gorniczo Hutnicza
Priority to PL19714577ApriorityCriticalpatent/PL106437B1/pl
Publication of PL197145A1publicationCriticalpatent/PL197145A1/pl
Publication of PL106437B1publicationCriticalpatent/PL106437B1/pl