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经营范围
发明名称
A METHOD FOR SEALING PIPE JOINT HOLE
摘要
申请公布号
KR100712401(B1)
申请公布日期
2007.04.23
申请号
KR20060072820
申请日期
2006.08.02
申请人
NUVOTEC CO., LTD.
发明人
HAN, SEUNG HEE
分类号
F16L55/10;F16L55/11
主分类号
F16L55/10
代理机构
代理人
主权项
地址
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