Xian dai ke ji gan bu du ben
By: Tao Chengde zhu bian
Edition: Di 1 ban
Publisher: Zhong gong zhong yang dang xiao chu ban she; Xin hua shu dian Beijing fa xing suo fa xing
Published: 1985
Place of publication: [Peking]
Language: chi
Number of pages: 327
Subjects: Technological innovations
Notes: Includes bibliographical references.