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Jian Chang

1 �ݺ�ߣShare 44 Followers 74 Followings

1 �ݺ�ߣShare 44 Followers 74 Followings

Personal Information

Organization / Workplace

Daejeon, Korea

Occupation

Assistant 사원

Industry

Electronics / Computer Hardware

Website

https://aheadofus.blogspot.com

About

Giving a great presentation!

Presentations(1)��

Scientific Revolution

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