Helmut Kirchberg
Helmut Kirchberg (31 January 1906 – 23 May 1983) was a German mining scientist. In 1953 he was appointed Rector of the Freiberg University of Mining and Technology. Provided by Wikipedia-
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2Published 1954Other Authors: “...Kirchberg, Helmut...”
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3Published 1954Other Authors: “...Kirchberg, Helmut...”
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4Published 1954Other Authors: “...Kirchberg, Helmut...”
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5Published 1954Other Authors: “...Kirchberg, Helmut...”
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6Published 1954Other Authors: “...Kirchberg, Helmut...”
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7Published 1953Other Authors: “...Kirchberg, Helmut...”
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