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发明名称
CORRUGATED STEEL PIPE A COUPLING DEVICE
摘要
申请公布号
KR20060082483(A)
申请公布日期
2006.07.18
申请号
KR20050002990
申请日期
2005.01.12
申请人
DONG WON STEEL CO., LTD.
发明人
LEE, JANG SUB
分类号
F16L23/02;F16L23/024;F16L23/032
主分类号
F16L23/02
代理机构
代理人
主权项
地址
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