Zhongguo di zhuan li fa
By: Geng Yuxin, Zhang Zeyu bian.
Contributors: Geng, Yuxin.; Zhang, Zeyu.
Series: "Jin ri Zhongguo" cong shu
Publisher: Beijing zhou bao she; Zhongguo guo ji tu shu mao yi zong gong si fa xing
Published: 1986
Place of publication: Beijing =
Language: chi
Number of pages: 75
Subjects: Patent laws and legislation -- China.