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经营范围
发明名称
Apparatus for opening and closing draining
摘要
申请公布号
KR100978682(B1)
申请公布日期
2010.08.30
申请号
KR20080069866
申请日期
2008.07.18
申请人
发明人
分类号
E03C1/23
主分类号
E03C1/23
代理机构
代理人
主权项
地址
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