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Intellectual property
Classification | Registered title | Registration number | Date of registration |
---|---|---|---|
Patent | Fleet reinforcing device in PHC pile | No. 10-1548287 | 08/24/2015 |
Patent | Waste water separating device attached with sewage culvert | No. 10-0883586 | 02/06/2009 |
Patent | Waste water separating device attached with sewage culvert | No. 10-0733608 | 06/22/2007 |
Patent | H-section steel PHC pile for reinforcing the fleet | No. 10-1539033 | 07/17/2015 |
Patent | Reinforced structure equipped with pack | No. 10-1539031 | 07/17/2015 |
Patent | Pressure PHC pile structure and construction method | No. 10-1526470 | 05/01/2015 |
Patent | Bag-manufacturing structure with partition, bag manufactured hereof, and assembly method | No. 10-1414156 | 06/25/2014 |
Patent | Soil nail structure and construction equipped with underground heat exchanger | No. 10-1323810 | 10/24/2013 |
Patent | Multi geo-bag module | No. 10-1272870 | 06/03/2013 |
Patent | Multi-perspectives appropriate in integrated underground processing of soil and underground water | No. 10-1127223 | 03/08/2012 |