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美國Pine
美國PINE公司雙恒電位儀、 便攜式恒電位儀、旋轉圓盤電極、旋轉圓環電極、柱面電極及旋轉電極裝置等
Pine Instrument Company is a privately held corporation headquartered in Grove City, Pennsylvania.
Pine manufactures and supplies both Superpave and Marshall asphalt testing equipment. This equipment is sold to paving contractors, state highway departments, colleges and universities, and the Federal Highway Administration. Pine manufactures and sells three models of the Superpave Gyratory Compactor to meet the needs of all customers.

Pine also manufactures and supplies electrochemistry research equipment. This equipment is sold domestically and internationally to major colleges and universities, and to the research and development departments of major corporations.

In addition, Pine Instrument provides both design and contract electronic assembly services to Fortune 500 firms, and well as to smaller manufacturers.
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