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Application filed by Instytut Techniki Górniczej KomagfiledCriticalInstytut Techniki Górniczej Komag
Priority to PL392267ApriorityCriticalpatent/PL216496B1/en
Publication of PL392267A1publicationCriticalpatent/PL392267A1/en
Publication of PL216496B1publicationCriticalpatent/PL216496B1/en