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Sort | Name | Registration | Application No. | Date
Patent
 
Segmental type preflex girder making method for uniform preflexion
  10-1163744   2011-0095194   2012.07.02
Patent
 
Girder with Patial-Anchorage apppratus for tension rebar and bridge construction method using the same
  10-1123935   2011-0016829   2012.02.28
Patent
 
Assembly structure of segment for tunnel
  10-1090737   2008-0136582   2011.12.01
Patent
 
Composite improving durability and corrosion resistance of tunnel lining panel with steel powder, and the precast panel made by the composite
  10-1084506   2008-0126279   2011.11.11
Similar Design Reg
 
Segment joint of tunnel
  30-0400435   2009-0048534   2011.10.17
Similar Design Reg
 
Segment joint of tunnel
  30-0400435   2009-0048533   2011.10.17
Patent
 
System preventing non-woven from mortar particles and method constructing the non-woven to PCL
  10-1065555   2009-072704   2011.09.08
Art Reg
 
Segment joint of tunnel
  30-0593586   2009-0048536   2011.03.18
Art Reg
 
Segment joint of tunnel
  30-0593585   2009-0048536   2011.03.18
Patent
 
Circular structure supported by the segment with a drainage structure and method constructing the shield tunnel
  10-0936471   2007-0132408   2010.01.05
Exclusive
license
 
Block boots for rail system
(Patentee: SonyVille International)
  0655001   2002-7017680   2006.11.30
Patent
 
Assembly type T wall pile (T BOLT JOINT method)
  0310773   1999-0019324   2001.09.20
Patent
 
Cover structure of bag
  10-0807331   2006-0022788   2008.02.19
Patent
 
Tunnel Lining method
  10-0764046   2006-0038208   2007.09.28
Patent
 
Wide Sleeper for pavement rail
  10-0704991   2005-0118866   2007.04.02