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经营范围
发明名称
TRANCH COVER
摘要
申请公布号
KR20110002457(U)
申请公布日期
2011.03.09
申请号
KR20090011581U
申请日期
2009.09.03
申请人
发明人
分类号
E03F5/06;E01F9/529
主分类号
E03F5/06
代理机构
代理人
主权项
地址
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