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 PL24869384ApriorityCriticalpatent/PL136599B2/en
Publication of PL248693A2publicationCriticalpatent/PL248693A2/en
Publication of PL136599B2publicationCriticalpatent/PL136599B2/en