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Application filed by Miechowice Kopalnia Wegla KamifiledCriticalMiechowice Kopalnia Wegla Kami
Priority to PL28832190ApriorityCriticalpatent/PL163632B1/en
Publication of PL288321A1publicationCriticalpatent/PL288321A1/en
Publication of PL163632B1publicationCriticalpatent/PL163632B1/en
PL28832190A1990-12-171990-12-17
The method and device for controlling the state of fire and explosion hazard in underground mining excavations
PL163632B1
(en)