30th Central Asian International Mining Exploration & Mining Equipment Exhibition

30th Central Asian International Mining Exploration & Mining Equipment Exhibition

SCIENTIFIC PERIODICAL “JOURNAL OF MINING INSTITUTE” INVITES SPECIALISTS IN THE FIELD OF EXTRACTION, PROCESSING AND USE OF RAW MATERIAL RESOURCES FROM THE MINING INDUSTRY AND MINERAL RESOURCE SECTOR TO COOPERATE

реклама ЗГИ англ3 1

  • Hits: 704