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The top documents tagged [coal material]
Petrological Characteristics of Lignites From Berovo Deposits Fyrom
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-Kazem Oraee (Prof) - Arash Goodarzi (Eng) - Nikzad Oraee-Mirzamani (Phd) -Parham Khajehpour (Eng) 34th International Conference on Ground Control in Mining
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Powerpoint Jeopardy Types of RocksMineralsUsing your ESRT 1 Using your ESRT 2 Part 2 Questions 10 20 30 40 50
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