关于举办北京国际发明展览会的通知经国家科委批准，中国发明协会定于１９９６年９月１２日至１８日在北京全国农业展览馆举办北京国际发明展览会。为办好本届展览会，现将有关事项通知如下：一、招展原则：国内参展项目以高中发明水平和技术成熟度较高的发明项目为主；国... Notice on Holding Beijing International Exhibition of Inventions Approved by the State Science and Technology Commission, China Invention Association is scheduled to hold the Beijing International Exhibition of Inventions at the National Agricultural Exhibition Center in Beijing from September 12 to September 1996. To do a good job in this exhibition, the relevant matters are hereby notified as follows: First, the principle of breeze: the domestic exhibition project to the high school invention level and technology maturity of the invention-based projects;