Kong jian nie he yuan li ji SG-71 xing wo lun fu
By: Shen Yunfang ... [et al.] bian zhu
Edition: Di 1 ban
Publisher: Ye jin gong ye chu ban she; Xin hua shu dian Beijing fa xing suo fa xing
Published: 1983
Place of publication: Beijing
Language: chi
Number of pages: 364
Subjects: Worm Gearing; Curves on surfaces
Notes: Bibliography: p. 364.