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Application filed by Instytut Techniki Górniczej KomagfiledCriticalInstytut Techniki Górniczej Komag
Priority to PL378483ApriorityCriticalpatent/PL207208B1/pl
Publication of PL378483A1publicationCriticalpatent/PL378483A1/pl
Publication of PL207208B1publicationCriticalpatent/PL207208B1/pl