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3766339
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3151384
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H01 - BASIC ELECTRIC ELEMENTS
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3011041
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H01 - BASIC ELECTRIC ELEMENTS
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2999800
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2997412
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2939961
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G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
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2934815
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H01 - BASIC ELECTRIC ELEMENTS
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2910552
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H01 - BASIC ELECTRIC ELEMENTS
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2839622
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2838703
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2834095
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2825768
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H01 - BASIC ELECTRIC ELEMENTS
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2813180
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2798210
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2786985
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H01 - BASIC ELECTRIC ELEMENTS
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2761127
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2705344
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2696658
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2674784
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H01 - BASIC ELECTRIC ELEMENTS
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2651834
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2634495
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2571054
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2534864
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2455864
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2348511
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1432038
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1334276
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1049636
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1019166
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES