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发明名称
ATTACHMENT FOR DRILLING STREET DRAIN
摘要
申请公布号
JPH09209389(A)
申请公布日期
1997.08.12
申请号
JP19960046717
申请日期
1996.02.07
申请人
KOBELCO KENKI ENG KK
发明人
SAWA HIDEKAZU
分类号
E02F3/43;E02F3/32;E02F3/38;(IPC1-7):E02F3/38
主分类号
E02F3/43
代理机构
代理人
主权项
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