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发明名称
Grating
摘要
申请公布号
KR200474077(Y1)
申请公布日期
2014.08.21
申请号
KR20140002313U
申请日期
2014.03.24
申请人
发明人
分类号
E01C9/10;E03F5/06
主分类号
E01C9/10
代理机构
代理人
主权项
地址
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