2013JAN10 [연합뉴스] U.S. official downplays new shale gas rules' impact on S. Korean investment zoom + zoom - print social share Facebook Twitter social share Facebook Twitter [연합뉴스] 2013-01-11 U.S. official downplays new shale gas rules’ impact on S. Korean investment (이 기사는 영문으로 제공됩니다.)