"Zhuan li fa" di san ci xiu gai dao du
By: Guo jia zhi shi chan quan ju tiao fa si bian.
Contributors: China. Guo jia zhi shi chan quan ju. Tiao fa si; China.
Edition: Di 1 ban
Publisher: Zhi shi chan quan chu ban she
Published: 2009
Place of publication: Beijing Shi
Language: chi
Number of pages: 129
ISBN-13: 9787802474338
Subjects: China; Patent laws and legislation -- China
Other titles: Zhuanlifa disanci xiugai daodu