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Fatigue Testing Machine with Potential Energy Recovery Device - Patent Certificate Utility No. M594139 of ROC(Taiwan)
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Adjustment Device of Hydraulic Pump – Patent Certificate Utility No. M54092 of ROC(Taiwan)
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Balancer for Low Pressure Control - Patent Certificate Utility No. M368717 of ROC(Taiwan)
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Bridge Lifting and Horizontal Shifting Structure - Patent Certificate Utility NO. M316900 of ROC(Taiwan)
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Segmental Bridge Side-Launching Method - Patent Certificate Invent NO. 130540 of ROC(Taiwan)
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Bridge Girder Launching Device - Patent Certificate, Utility No. 130499 of ROC(Taiwan)
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Lifting Device – Patent Certificate Utility No. M368718 of ROC(Taiwan)