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发明名称
CHECKING WAY OF BRIDGE
摘要
申请公布号
KR200167497(Y1)
申请公布日期
2000.02.15
申请号
KR19990017296U
申请日期
1999.08.20
申请人
CHA, JAE-BOK
发明人
CHA, JAE-BOK
分类号
E01D19/10;(IPC1-7):E01D19/10
主分类号
E01D19/10
代理机构
代理人
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