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Bochumer Eisenhutte Heintzmann GmbH

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  • Bochum, DE
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  • Information Patent Grant

    Walking mine support
    • Patent number 4,183,700
    • Issue date Jan 15, 1980
    • Bochumer Eisenhutte Heintzmann GmbH
    • Gerhard von Klinggraff
    • E21 - EARTH DRILLING MINING

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