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 Polkowice Kom Gorniczo HutniczfiledCriticalPolkowice Kom Gorniczo Hutnicz
Priority to PL28242189ApriorityCriticalpatent/PL161535B1/en
Publication of PL282421A1publicationCriticalpatent/PL282421A1/en
Publication of PL161535B1publicationCriticalpatent/PL161535B1/en