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THE TYPES AND EVOLUATION OF PERMO-CARBONIFEROUS COAL-FORMING ENVIRONMENTS IN THE HUAINAN AND NORTH HUAIHE
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1990, 18(3): 1-7.
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THE COAL ACCUMULATING REGULARITIES AND GOAL-BEARING POTENTIAL PREDICTION IN YINGCHENG BA SIN
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1990, 18(3): 7-13.
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THE DIFFERENTIAL THERMAL ANALYSIS (DTA) CHARACTERISTICS OF MACERAL AND THEIR RELATION TO OIL ANO GAS GENERATION
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1990, 18(3): 19-25.
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THE UNDERGROUND WATER RESSOUCE MANAGEMENT MODEL OF A MINING AREA IN THE INNER MONGOLIA AUTONOMOUS REGION
1990, 18(3): 37-41.
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PREDICTION OF MATER INRUSH POSSIBILITIES IN A TEST EXCAVATION IN-50 LEVEL IN NO.1 MINE OF HEBI COAL ADMINISTRATION
1990, 18(3): 41-45.
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AN OPTIMAZATION METHOD OF HYDROGEOLOGICAL PARAMETERS
1990, 18(3): 46-49.
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TEH REFLECTION WAVE OF COAL SEAMS
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1990, 18(3): 49-55.
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SQ89 WIRE-LINE CORE TOOL
1990, 18(3): 63-66.
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