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世博会分为注册(Resistered)和认可类(Recognized)两种。 1988年5月31日修定的《国际展览公约》规定:从1995年1月1日起,两个注册展览会的举办间
World Expo is divided into registered (Resistered) and Recognized (Recognized) two. May 31, 1988 revision of the “International Exhibition Convention” provides that: from January 1, 1995 onwards, the registration of two exhibitions between the room