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Application filed by Myslowice Kopalnia Wegla KamiefiledCriticalMyslowice Kopalnia Wegla Kamie
Priority to PL28623290ApriorityCriticalpatent/PL163374B1/en
Publication of PL286232A1publicationCriticalpatent/PL286232A1/en
Publication of PL163374B1publicationCriticalpatent/PL163374B1/en