00877nam a2200241 c 4500001001300000005001500013008004100028020002500069049002800094052001300122056001100135082001200146245014200158260004800300300004800348440002500396490005500421500001800476504002400494650004700518700005300565950001700618KMO20074845020180801164954070831s2006    ggkad         000   kor    a9788988827314g925300 lEM3967145lEM3967146c201a535b7-8  a535240 a62522100a유지보수 성능향상 기술연구=xPerformance improvement technology for maintence of railroad system/d연구책임자: 여인호  a의왕:b한국철도기술연구원,c2006  a1책(쪽수복잡):b삽화, 도표;c26 cm00aKRRI 연구;v06-10300a철도유지보수 성능향상 기술연구사업  a부록 수록  a참고문헌 수록 8a철도 공학[鐵道工學]0KSH19980407431 a여인호,g呂寅虎,d1967-0KAC2015116654aut1 a가격불명