Zhuan li quan
By: Xia Shuhua 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: 1987
Place of publication: [Peking]
Language: chi
Number of pages: 70
Subjects: Patent laws and legislation; Popular works