Korean reunification question (1945- ), Socialism -- China., Communism -- China., Nationalism -- China., Petroleum industry and trade -- Political aspects -- Turkmenistan., Petroleum industry and trade -- Political aspects -- Kazakhstan., Petroleum industry and trade -- Political aspects -- Azerbaijan., Conflict of laws -- Copyright licenses -- China., Conflict of laws -- Patents -- China., Conflict of laws -- Intellectual property -- China., Conflict of laws -- Technology transfer -- China., and Intellectual property -- China.