San da fa ming
Subtitle: San da fa ming / Zhang Jingfen, Zhang Ke bian xie
Contributors: Zhang, Ke, author
Series: Zhongguo li shi xiao cong shu; Zhongguo li shi xiao cong shu
Publisher: Zhonghua shu ju
Published: 1960
Place of publication: Beijing
Language: chi
Number of pages: 82
Subjects: Inventions