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Application filed by Костянтин Якович Калус, Василь Володимирович ГуральfiledCriticalКостянтин Якович Калус
Priority to UAU201009597UpriorityCriticalpatent/UA58197U/en
Publication of UA58197UpublicationCriticalpatent/UA58197U/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
A ventilation-withdrawing fire-resistant unit relates to mechanical engineering, with the most appropriate use in the designs of explosion-proof boxes for a battery of mine electric locomotives operated in underground mines including hazardous environment of gas and/or dust used in coal mines.
UAU201009597U2010-08-022010-08-02Ventilation-withdrawing fire-resistant unit
UA58197U
(en)
Computer-aided system for automatized time-keeping, location of personnel and transport means in working area, and detection of gas environment in mines