Description  Claims  Drawing  Cited references 

EP2704252A   [0003]  [0010] 
US6424300B1   [0004]  [0009]  [0026] 
US20120280890A   [0005]  [0012] 
KR20130106652A   [0006]  [0006] 
WO0069021A1   [0007] 
US2007046554A1   [0008] 
EP2704252A2   [0010]  [0011]  [0025]