Anh Da nang
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Doan Bich Huong
Jul 22, 2012, 11:00:41 PM7/22/12
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Sorry mọi người vì bây giờ mới gửi ảnh.
http://www.mediafire.com/?d90njjjwino9xbgDoan Thi Bich Huong;
Department of Mining Technology;
National Institute of Mining - Metallurgy Science and Technology;
Ministry of Industry and Trade.
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