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Application filed by Gwarectwo Budownictwa GorniczefiledCriticalGwarectwo Budownictwa Gornicze
Priority to PL25162485ApriorityCriticalpatent/PL146236B1/en
Publication of PL251624A1publicationCriticalpatent/PL251624A1/en
Publication of PL146236B1publicationCriticalpatent/PL146236B1/en
PL25162485A1985-01-181985-01-18Method of and apparatus for protecting underground mine workings against fire caused by overheated electric conductors and
PL146236B1
(en)