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Airdrill Hammers and Bits Pty Ltd

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  • Welshpool, AU
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  • Information Patent Grant

    Down-hole hammer drill
    • Patent number 9,038,751
    • Issue date May 26, 2015
    • Airdrill Hammers and Bits Pty Ltd
    • Andrew S. Gilbert
    • E21 - EARTH DRILLING MINING

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