Deutsche Bergwerks- und Hüttenbau

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Deutsche Bergwerks- und Hüttenbau GmbH (DBH, German for German Mine Construction) was a German company specializing in construction of mines and quarries. Established under the name of Preussische Bergwerks- und Hütten-AG in late 19th century, during the World War II it ran one of the sub-camps of the Mauthausen-Gusen concentration camp complex.