TREA

VEB Schwermaschinenbau-Kombinat "Ernst Thalmann"

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  • Magdeburg, DD
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  • Information Patent Grant

    Process and apparatus for producing cement
    • Patent number 4,431,454
    • Issue date Feb 14, 1984
    • Voest-Alpine Aktiengesellschaft
    • Franz Krennbauer
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

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