HARD COAL TECHNOLOGY (FUEL TECHNOLOGY)
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BTHARD COAL + ANTHRACITE (FUEL TECHNOLOGY)
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UDC662.74
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Descriptor GERSTEINKOHLENTECHNOLOGIE (BRENNSTOFFTECHNOLOGIE)
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Descriptor ENGHARD COAL TECHNOLOGY (FUEL TECHNOLOGY)
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Descriptor FRETECHNOLOGIE DE LA HOUILLE (TECHNOLOGIE DES COMBUSTIBLES)
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Variant GERTECHNOLOGIE/STEINKOHLENTECHNOLOGIE (BRENNSTOFFTECHNOLOGIE)
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Variant ENGTECHNOLGY/HARD COAL TECHNOLOGY (FUEL TECHNOLOGY)
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Variant ENGMINERAL COAL TECHNOLOGIE (FUEL TECHNOLOGY)
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Variant ENGCOAL/BITUMINOUS COAL TECHNOLOGY (FUEL TECHNOLOGY)
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Variant FREHOUILLE/TECHNOLOGIE DE LA HOUILLE (TECHNOLOGIE DES COMBUSTIBLES)
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NTHARDCOAL COKE, HARD COAL TAR (FUEL TECHNOLOGY)
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NTHARD COAL PYROLYSIS (FUEL TECHNOLOGY)
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NTHARD COAL COKING (FUEL TECHNOLOGY)