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    HardPress

    Spiral and Worm Gearing; a Treatise on the Principles, Dimensions, Calculation and Design of Spiral and Worm Gearing, Together With the Chapters on the Methods of Cutting the Teeth in These Types of Gears

    Spiral and Worm Gearing; a Treatise on the Principles, Dimensions, Calculation and Design of Spiral and Worm Gearing, Together With the Chapters on the Methods of Cutting the Teeth in These Types of Gears

    $15.95 USD
    $15.95 USD
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    Erik Oberg

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