TY - CPAPER AU - Sorin Burian TI - CERTIFICATION OF EXPLOSION-PROOF EQUIPMENT IN ROMANIA. PAST, PRESENT AND FUTURE T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 16th International Multidisciplinary Scientific GeoConference SGEM2016, Science and Technologies in Geology, Exploration and Mining PY - 2016 DO - 10.5593/sgem2016/b13/s06.094 PB - Stef92 Technology ER -