GOST 15489 1-1993 Brown coals hard coals anthracite and combustible shales Methods for VTI determination of coefficient of grindability《褐煤、烟煤、无烟煤及页岩燃料 按热工研究所的可磨性指数的测定方法》.pdf

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GOST 15489 1-1993 Brown coals hard coals anthracite and combustible shales Methods for VTI determination of coefficient of grindability《褐煤、烟煤、无烟煤及页岩燃料 按热工研究所的可磨性指数的测定方法》.pdf_第3页
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GOST 15489 1-1993 Brown coals hard coals anthracite and combustible shales Methods for VTI determination of coefficient of grindability《褐煤、烟煤、无烟煤及页岩燃料 按热工研究所的可磨性指数的测定方法》.pdf_第4页
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