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Books about Benninghoven:
Secondary Ion Mass Spectrometry SIMS III: Proceedings of the Third International Conference, Technical University... (1982)
Wiki information Benninghoven:
The Benninghoven GmbH & Co. KG is a German company based in Mülheim near the river Mosel. It manufactures asphalt mixing plants. The company was established in 1909 by Otto Benninghoven in Hilden. It started with the production of gear wheels and...