TREA

AMERICAN PILE DRIVING CORPORATION, A CORP OF DELAWARE

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  • HOUSTON, TX, US
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  • Information Patent Grant

    Hydraulically operated mandrels
    • Patent number 4,430,024
    • Issue date Feb 7, 1984
    • American Pile Driving Corporation
    • Charles L. Guild
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

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