Solution : https://service.sap.com/sap/support/notes/753381 (SAP Service marketplace login required)
Key words :
Native language support, Unicode, Internationalization
Related Notes :
| 1487234 | RHTRANS0 cause garble characters with ALV grid for ZH, KO |
| 1319517 | Unicode Collection Note |
| 764480 | SAP WinGUI I18N Trouble Shooting |