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分享到QQ空间Organization of American States(美洲国家组织)

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  • 2011-11-28收录日期
  • 2022-05-16更新日期
  • Organization of American States(美洲国家组织)


  • The Organization of American States (OAS) is the world's oldest regional organization, dating back to the First International Conference of American States, held in Washington, D.C., from October 1889 to April 1890.