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Application filed by Jastrzebie Kopalnia Wegla KamifiledCriticalJastrzebie Kopalnia Wegla Kami
Priority to PL28026689ApriorityCriticalpatent/PL161340B1/en
Publication of PL280266A1publicationCriticalpatent/PL280266A1/en
Publication of PL161340B1publicationCriticalpatent/PL161340B1/en