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发明名称
DEPOSIT SCRAPING ATTACHMENT IN MANHOLE
摘要
申请公布号
JPH1181440(A)
申请公布日期
1999.03.26
申请号
JP19970257756
申请日期
1997.09.05
申请人
OGAWA JUNJI
发明人
OGAWA JUNJI
分类号
E02D29/12;E03F7/10;(IPC1-7):E03F7/10
主分类号
E02D29/12
代理机构
代理人
主权项
地址
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