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Affilication of Author(s):中国科学技术大学
Disigner of the Invention:liaoguangxuan,fanweicheng,徐琼
Patent description:实用新型
Application Number:99259216.X
Number of Inventors:4
Service Invention or Not:no
Publication Date:2001-01-03
Authorization Date:2001-01-03
First Author:qinjun
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