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Sort | Name | Registration | Application No. | Date
Patent
 
Integrated precast slab panel for railway
  10-2004331   10-2018-01476   2019.07.22
Patent
 
Mono-block for improving metrology and method of the same
  10-1996601   10-2019-00192   2019.06.28
Art Reg
 
Pressure plate for sleepers of railway
  30-1010624   30-2018-00147   2019.06.11
Patent
 
Construction method of precast slab track system
  10-1986794   10-2018-01476   2019.06.03
Art Reg
 
Supporting unit for fixing railroad
  30-0979143   30-2018-00098   2018.10.29
Patent
 
Waterproof elastomeric washer for deformation shock absorption of underground tunnel segment
  10-1909456   10-2017-01184   2018.10.12
Patent
 
Jig bracket for reinforcing bar lifting and moving and reinforcing bar construction method therewith
  10-1907976   10-2016-01450   2018.10.08
Patent
 
Supporting unit for fixing railroad
  10-1896246   10-2018-00242   2018.09.03
Patent
 
Asphalt concrete track having geo-textile and steel pipe-shaped apparatus for withstanding against track displacement, and construction method for the same
  10-1781045   10-2016-01048   2017.09.18
Art Reg
 
Segment connection
  30-0876214   30-2016-00147   2017.01.03
Patent
 
Precast box using finger connection plate and construction method therefor
  10-1654546   10-2014-01237   2016.08.31
Patent
 
Precast box using bended angle connection plate and construction method therefor
  10-1615303   10-2014-00678   2016.04.19
Patent
 
Track having shear reinforcing apparatus and the construction method therefor
  10-1596862   10-2013-00507   2016.02.17
Patent
 
Structure and Construction method of Prefabricate tunne Bell mouth
  10-1459645   2012-0116564   2014.11.03
Art Reg
 
Segment Socket
  30-0752645   2013-0030193   2014.07.10