Author

Yuanshan Liu

2 books found

Cover of 知识产权培育・保护・利用问题研究

知识产权培育・保护・利用问题研究

Yuanshan Liu · First published 2011

Cover of Wo guo qin fan shang biao quan fan zui ding zui he liang xing yan jiu

Wo guo qin fan shang biao quan fan zui ding zui he liang xing yan jiu

Yuanshan Liu · First published 2010