Zhi shi chan quan
By: Liu Chuntian bian zhu
Edition: Di 1 ban
Series: Min fa tong ze zhi shi cong shu
Publisher: Fa lü chu ban she; Xin hua shu dian fa xing
Published: 1986
Place of publication: [Beijing]
Language: chi
Number of pages: 68
Subjects: Intellectual property; Popular works