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F24 - HEATING RANGES VENTILATING
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Klockner-Humboldt Deutz AG
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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F27 - FURNACES KILNS OVENS RETORTS
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3403897
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Issue date Oct 1, 1968
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F27 - FURNACES KILNS OVENS RETORTS
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F27 - FURNACES KILNS OVENS RETORTS
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C21 - METALLURGY OF IRON
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F27 - FURNACES KILNS OVENS RETORTS
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F27 - FURNACES KILNS OVENS RETORTS
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F28 - HEAT EXCHANGE IN GENERAL
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2667941
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C21 - METALLURGY OF IRON
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