Dian li xi tong ji dian bao hu
By: Nanjing dian li xue xiao zhu bian
Edition: Di 1 ban
Publisher: Dian li gong ye chu ban she; Xin hua shu dian Beijing fa xing suo fa xing
Published: 1981
Place of publication: Beijing
Language: chi
Number of pages: 342
Subjects: Protective relays