Top IPC subclasses
1
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C30B
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2
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single-crystal growthunidirectional solidification of eutectic material or unidirectional demixing o
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2
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C01B
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1
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non-metallic elementscompounds thereof
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3
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C01F
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1
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compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium
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