| Ditch type infiltration equipment |
10-1194234 |
2012-10-18 |
2031-04-19 |
| A RAINWATER TREATMENT AND STORAGE STRUCTURE UNDER PAVEMENT |
10-1261122 |
2013-04-29 |
2031-03-16 |
| PAVEMENT PROCESSS OF LOW TEMPERATURE ASCON USING HEATING ASCON PLANT |
10-1052077 |
2011-07-20 |
2031-02-18 |
| MIXING EQUIPMENT OF LOW TEMPERATURE MIX BITUMINOUS EMULSION ASPHALT |
10-1045665 |
2011-06-24 |
2031-02-18 |
| ENVIRONMENT-FRIENDLY RED CLAY CONCRETE COMPOSITION AND CONSTRUCTING METHOD OF PACKING MATERIALS USING THE SAME |
10-1080387 |
2011-10-31 |
2031-01-31 |
| Device for Blocking Water at Entrance of Subway Station |
10-1253431 |
2013-04-04 |
2030-12-24 |
| Revetment for preventing waterleakage and construction method thereof |
10-1097379 |
2011-12-15 |
2030-12-16 |
| METHOD OF INJECTING REPAIRING LIQUID FOR REPAIRING CRACKS OF CONCRETE STRUCTURES |
10-1055377 |
2011-08-02 |
2030-11-26 |
