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发明名称
摘要
申请公布号
KR101049046(B1)
申请公布日期
2011.07.15
申请号
KR20090087244
申请日期
2009.09.15
申请人
发明人
分类号
E03C1/122;E03C1/12
主分类号
E03C1/122
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