00671nam a2200217 k 4500001001500000005001500015008004100030040001900071049002800090052002100118056001300139082001600152245004000168260003900208300002600247440004400273653004500317700003300362949004800395950001000443KMO199401737  20211130143233940328s1994    ulka          000   kor    a011001c0110010 lEM1090992lEM1090993c201a567.4b우128ㅇ  a567.4230 a621.38621900a유선 통신기기/d우만식 저  a서울:b크라운출판사,c1994  a465p.:b삽도;c26cm00a유선설비기사 1,2급 씨리즈;v3  a유선a통신기기a유선설비기사1 a우만식0KAC2020512054aut0 a유선설비기사 일,이급 씨리즈;v30 b\8000