TREA

Trocto-Technik GmbH

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  • Lennestadt, DE
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Patents Applicationslast 30 patents

  • Information Patent Application

    Thread Retention
    • Publication number 20080245573
    • Publication date Oct 9, 2008
    • Trocto-Technik GmbH
    • Franz-Josef Puttmann
    • E21 - EARTH DRILLING MINING