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Application filed by Instytut Techniki Górniczej KomagfiledCriticalInstytut Techniki Górniczej Komag
Priority to PL390870ApriorityCriticalpatent/PL215674B1/pl
Publication of PL390870A1publicationCriticalpatent/PL390870A1/pl
Publication of PL215674B1publicationCriticalpatent/PL215674B1/pl