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  • United States International Trade

    Previous Tariff (7326 90 60 - Iron or steel, articles nesoi, coated or plated with precious metal) Next Tariff (7401 00 00 - Copper mattes; cement copper

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  • Tension Jack/Pull Test Kit - DSI

    The pull test kit consists of two assemblies: a mechanical assembly which includes a claw, stand, nut, & spindle; a hydraulic assembly which includes a hollow core

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  • Chapter 74 - Mining and Quarrying

    Chapter 74 - Mining and Quarrying MINING: AN OVERVIEW Norman S Jennings Minerals and mineral products are the backbone of

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  • Analysis of Inflatable Rock Bolts SpringerLink

    An inflatable bolt is integrated in the rock mass through the friction and mechanical interlock at the boltrock interface The pullout resistance of the inflatable

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  • Case Studies of Rock Reinforcement

    During more than two decades, the writers have been involved in performing tests on rock reinforcement components and systems The need for testing has mostly arisen

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