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			-  - 1977³â ~ 1979³â  Çö´ëÁß°ø¾÷ London Áö»ç 
-  - 1979³â ~ 1983³â  Çö´ëÁß°ø¾÷ µ¶ÀÏ SIEMENS Erlangen ÆÄ°ß 
-  - 1984³â ~ 1987³â06¿ù  Çö´ëÁß°ø¾÷ 
-  - 1987³â07¿ù ~ 1991³â  LG»ó»ç
-  - 1992³â ~ 1993³â  LG»ó»ç London¹ýÀÎ ´ëÇ¥ÀÌ»ç 
-  - 1994³â ~ 2000³â  LG»ó»ç Project »ç¾÷ºÎÀå, »ó¹« 
-  - 2001³â ~ 2005³â  LG»ó»ç Russia Áö¿ªÀå, ºÎ»çÀå 
-  - 2006³â ~ 2008³â02¿ù  LG»ó»ç ºÎ»çÀå / Plant ¹× Ȱø »ç¾÷ºÎ¹®Àå 
-  - 2008³â03¿ù ~ Çö  ¾ç¾ØÄ¯ÆÛ´Ï ´ëÇ¥ÀÌ»ç
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