Patent
Patent
We create the future value of Civil engineering with constant R&D
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| 18 | Collision mitigation system | No. 0673497 | 2014-02-03 |
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| 22 | Hydraulic transmission gear | No. 0737109 | 2014-02-03 |
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| 16 | Landfill's drainage for prevention of leakage | No. 0638844 | 2006-12-01 |
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| 12 | Fish habitat structure for river ecological protection | No. 10-0598142 | 2006-12-01 |