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Maden Teknik ve Arama Genel Müdürlüğü
TMMOB Maden Mühendisleri Odası
London Metal Exchange
International Zinc Association
International Copper Study Group
Maden İşleri Genel Müdürlüğü
Madencilik-Türkiye
London Bullion Market Association
International Lead and Zinc Study Group
International Nickel Study Group
