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Application filed by Maja Kopalnia Wegla KamiennegofiledCriticalMaja Kopalnia Wegla Kamiennego
Priority to PL28678390ApriorityCriticalpatent/PL163227B1/en
Publication of PL286783A1publicationCriticalpatent/PL286783A1/en
Publication of PL163227B1publicationCriticalpatent/PL163227B1/en
Removing device for an extraction gallery operated together with the extracted gallery and for removing dump carried away from the wall conveyor to the gallery conveyor