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发明名称
摘要
申请公布号
JP4970234(B2)
申请公布日期
2012.07.04
申请号
JP20070325155
申请日期
2007.12.17
申请人
发明人
分类号
E01D1/00;E01D19/04;F16F7/00;F16F15/02;F16F15/04
主分类号
E01D1/00
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代理人
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