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发明名称
ROLLING STOCK SPEED-MEASURMENT SYSTEM APPLYING RF(RADIO FREQUENCY) DATA COMMUICATION METHOD
摘要
申请公布号
KR20050061817(A)
申请公布日期
2005.06.23
申请号
KR20030093299
申请日期
2003.12.18
申请人
KRRI
发明人
HUR, HYUN MOO
分类号
B61L25/02;(IPC1-7):B61L25/02
主分类号
B61L25/02
代理机构
代理人
主权项
地址
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