China Mining drawing stand GB Standards Search Result |
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2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days . |
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GB/T 50657-2011 Standard of drawing-making for surface mining coal 煤炭露天采矿制图标准 - 中英文版 |
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GB/T 50593-2010 Standard for drawings undarground mining 煤炭矿井制图标准 - 中英文版 |
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GB/T 50564-2010 Mining drawing standard for metal and nonmetal mines 金属非金属矿山采矿制图标准 - 中英文版 |
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