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Application filed by Instytut Techniki Górniczej KomagfiledCriticalInstytut Techniki Górniczej Komag
Priority to PL385949ApriorityCriticalpatent/PL215523B1/pl
Publication of PL385949A1publicationCriticalpatent/PL385949A1/pl
Publication of PL215523B1publicationCriticalpatent/PL215523B1/pl