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H.L. Chapman Pipeline Construction, Inc.

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  • Houston, TX, US
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  • Information Patent Grant

    Method of trenching below the water table
    • Patent number 7,870,683
    • Issue date Jan 18, 2011
    • H.L. Chapman Pipeline Construction, Inc.
    • Everett Leslie Waid, Jr.
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

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