TREA

Juha Hedlund

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  • Tampere, FI
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Patents Applicationslast 30 patents

  • Information Patent Application

    Fuel Tank
    • Publication number 20140305707
    • Publication date Oct 16, 2014
    • SANDVIK MINING AND CONSTRUCTION OY
    • Jarmo Leppanen
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Pneumatic down-the-hole drill
    • Publication number 20140224544
    • Publication date Aug 14, 2014
    • Jarmo Leppanen
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ROTATION UNIT, ROCK DRILLING UNIT AND METHOD FOR ROCK DRILLING
    • Publication number 20140034387
    • Publication date Feb 6, 2014
    • SANDVIK MINING AND CONSTRUCTION OY
    • Tapio Ukonjarvi
    • E21 - EARTH DRILLING MINING