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 Instytut Techniki Górniczej KomagfiledCriticalInstytut Techniki Górniczej Komag
Priority to PL395507ApriorityCriticalpatent/PL221087B1/pl
Publication of PL395507A1publicationCriticalpatent/PL395507A1/pl
Publication of PL221087B1publicationCriticalpatent/PL221087B1/pl