Calculational Method of Wnted Average Grade of Interstratified Seam Sample of Coal Core SampleJ. COAL GEOLOGY & EXPLORATION, 1985, 13(3): 16-17.
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Citation:
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Calculational Method of Wnted Average Grade of Interstratified Seam Sample of Coal Core SampleJ. COAL GEOLOGY & EXPLORATION, 1985, 13(3): 16-17.
|
Calculational Method of Wnted Average Grade of Interstratified Seam Sample of Coal Core SampleJ. COAL GEOLOGY & EXPLORATION, 1985, 13(3): 16-17.
|
Citation:
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Calculational Method of Wnted Average Grade of Interstratified Seam Sample of Coal Core SampleJ. COAL GEOLOGY & EXPLORATION, 1985, 13(3): 16-17.
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