Dian li xi tong tong xin yun xing guan li gui cheng
Subtitle: shi xing
By: Zhonghua Renmin Gongheguo dian li gong ye bu.
Edition: Di 1 ban
Publisher: Dian li gong ye chu ban she
Published: 1981
Place of publication: Beijing
Language: chi
Number of pages: 27
Subjects: Telecommunication -- Law and legislation -- China.