| Gutmann Aluminium Draht GmbH |
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Weißenburg, Germania | ||
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ALCO Group |
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ALCO Hellas S.A. Athen, Grecia |
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Aluminium Thrace S.A. Alexandroupolis, Grecia |
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Groupal S.A. Xanthi, Grecia |
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| Hermann Gutmann Werke |
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Hermann Gutmann Werke AG Weißenburg, Germania Brehna, Germania |
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| Gartner Extrusion GmbH |
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Gartner Extrusion GmbH Gundelfingen, Germania |
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| NordAlu GmbH |
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NordAlu GmbH Neumünster, Germania |
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