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发明名称
A FUNCTION OF MANHOLE
摘要
申请公布号
KR20090049967(A)
申请公布日期
2009.05.19
申请号
KR20070116986
申请日期
2007.11.14
申请人
SAMHWA TOTAL TECHNOLOGY CO., LTD.
发明人
JUNG, JUNG HI
分类号
E02D29/14
主分类号
E02D29/14
代理机构
代理人
主权项
地址
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