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ZDE-Thesaurus : Elektrotechnik, Elektronik und Informationstechnologie (1992) 0.05

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Imprint: Fachinformationszentrum Technik : Frankfurt a.M.

DOMA-Thesaurus : Maschinen- und Anlagenbau, Fertigungs- und Werkstofftechnik (1992) 0.05

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Imprint: Frankfurt a.M. : Fachinformationszentrum Technik

Root thesaurus. Pt.1.2 (1985) 0.02

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Date: 18. 5.2007 14:22:43

Standard-Thesaurus Wirtschaft online (2009) 0.01

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Date: 21.11.2011 11:41:22

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