Zhongguo zhuan li suo yin
Subtitle: fen lei nian du suo yin, 1985-1986
By: [Zhuan li wen xian chu ban she bian ji chu ban]
Edition: Beijing di 1 ban
Publisher: Zhuan li wen xian chu ban she; Xin hua shu dian Beijing fa xing suo fa xing
Published: 1987
Place of publication: [Peking]
Language: chi
Number of pages: 484
Subjects: Patents; Indexes