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2013
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Invention
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Polycrystalline silicon ingot, preparation method therefor and polycrystalline silicon chip. Disc... |
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Invention
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Polycrystalline silicon ingot, preparation method thereof, and polycrystalline silicon wafer. Dis... |
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2009
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Invention
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Sorting method of residue silicon material mixed with foreign substance. A sorting method of resi... |
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Invention
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Use of high-purity polycrystalline silicon rod as feed rod in monocrystalline silicon zone meltin... |
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Invention
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Isostatic pressing method for applying a silicon powder onto a silicon brick for silicon crystal ... |
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Invention
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Method of employing silicon powder and silicon ingots of raw material in single-crystal or polycr... |
