TREA

Friedrich Flesch

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  • Kaufering, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rock drill with cutting inserts
    • Patent number 4,765,419
    • Issue date Aug 23, 1988
    • Hilti Aktiengesellschaft
    • Dieter Scholz
    • E21 - EARTH DRILLING MINING