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Affilication of Author(s):中国科学技术大学

Disigner of the Invention:liuzhengkai,邵正荣,xiaojinyu

Patent description:实用新型

Application Number:98232148.1

Number of Inventors:4

Service Invention or Not:no

Publication Date:2000-02-23

Authorization Date:2000-02-23

First Author:yunenghai