Duo yu di hua
Subtitle: wo guo zhuan li zhi du zhi jian yan
By: Huang Xuezhong zhu ; [bian ji Wang Zhenbao, Hou Yanqiu]
Contributors: Wang, Zhenbao; Hou, Yanqiu
Publisher: Taiwan sheng fa ming ren xie hui
Published: 1985
Place of publication: Taibei Shi
Language: chi
Number of pages: 198
Subjects: Patents; Patent laws and legislation