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 PL96317782ApriorityCriticalpatent/PL183458B1/en
Publication of PL317782A1publicationCriticalpatent/PL317782A1/en
Publication of PL183458B1publicationCriticalpatent/PL183458B1/en