Zhongguo zhi shi chan quan bao hu zhuang kuang
By: Zhonghua Renmin Gongheguo guo wu yuan xin wen ban gong shi.
Contributors: China. Guo wu yuan. Xin wen ban gong shi.
Publisher: Zhonghua Renmin Gongheguo guo wu yuan xin wen ban gong shi
Published: 1994
Place of publication: Beijing
Language: chi
Number of pages: 18
Subjects: Intellectual property -- China.