Yong hu huan lu zai bo tong xin yuan li yu ying yong
By: Huang Yinghao, Tan Zhaoqiang, Luo Fusheng bian zhu ; [Zhongguo tong xin xue hui tong xin ke pu du wu yan jiu hui zhu bian].
Contributors: Tan, Zhaoqiang.; Luo, Fusheng.; Zhongguo tong xin xue hui. Tong xin ke pu du wu yan jiu hui.
Edition: Di 1 ban
Publisher: Ren min you dian chu ban she; Xin hua shu dian Beijing fa xing suo fa xing
Published: 1983
Place of publication: Beijing
Language: chi
Number of pages: 180
Subjects: Telephone, Carrier current.