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发明名称
COUPLING
摘要
申请公布号
KR20090050923(A)
申请公布日期
2009.05.20
申请号
KR20080047994
申请日期
2008.05.23
申请人
RIKEN KOKI CO., LTD.
发明人
TAKO YOSHITERU
分类号
E03F3/04;F16L21/06
主分类号
E03F3/04
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