01027nam a2200265 c 4500001001300000005001500013007000300028008004100031020003400072049002800106052001600134056001300150082001700163245005500180260004200235300003800277500017800315650004700493650004800540700004100588880004400629880004800673880002900721950001100750KMO20231556820230418145211ta230227s2022    ggkad         000   kor    a9788993355604g93560:c\150000 lEM8470547lEM8470548c201a567.3b23-1  a567.32601a621.3821223006880-01a정보통신 접지실무 /d설동화 저  6880-02a시흥 :b백티닷컴,c2022  a199 p. :b삽화, 도표 ;c26 cm  a권말부록: 접지설비·구내통신설비·선로설비 및 통신공동구 등에 대한 기술기준 ; 방송통신설비의 기술기준에 관한 표준시험방법 8a정보 통신[情報通信]0KSH1998028730 8a접지(전기회로)[接地]0KSH20020264211 6880-03a설동화0KAC2018744134aut006245-01/(BaJeongbo tongsin jeopji silmu  6260-02/(BaSiheung :bBaekti Datkeom,c20221 6700-03/(BaSeol, Donghwa0 b\15000