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发明名称
OPTICAL SIGNAL TRANSMITTING BOARD OF A TRAIN SIGNAL DISTRIBUTING TYPE
摘要
申请公布号
KR20050080066(A)
申请公布日期
2005.08.11
申请号
KR20050061320
申请日期
2005.07.07
申请人
HYUKSHIN ENGINEERING CO., LTD.
发明人
KWON, O HYUNG
分类号
B61L7/08;B61L27/00
主分类号
B61L7/08
代理机构
代理人
主权项
地址
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