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Application filed by Instytut Techniki Górniczej KomagfiledCriticalInstytut Techniki Górniczej Komag
Priority to PL393982ApriorityCriticalpatent/PL222502B1/pl
Publication of PL393982A1publicationCriticalpatent/PL393982A1/pl
Publication of PL222502B1publicationCriticalpatent/PL222502B1/pl