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发明名称
CORRUGATE PIPE OF PROOFING MULTIPLE STRUCTURE
摘要
申请公布号
KR20070047934(A)
申请公布日期
2007.05.08
申请号
KR20050104836
申请日期
2005.11.03
申请人
KIM, HAK GUN
发明人
KIM, HAK GUN
分类号
F16L9/12;F16L9/06;F16L9/18
主分类号
F16L9/12
代理机构
代理人
主权项
地址
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