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发明名称
PREVENTIVE ALARM DEVICE FOR SLEEPING FOR TRAIN DRIVING ENGINNER
摘要
申请公布号
KR780000394(B1)
申请公布日期
1978.10.04
申请号
KR19750002028
申请日期
1975.09.12
申请人
KOREAN NATIONAL RAILROAD;INSTITUTE OF RAILROAD TECHNOLOGY
发明人
LEE K;AHN J
分类号
主分类号
代理机构
代理人
主权项
地址
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