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发明名称
CROSSING DITCH STEPPING PLATE
摘要
申请公布号
JPH10131268(A)
申请公布日期
1998.05.19
申请号
JP19960286293
申请日期
1996.10.29
申请人
HORIGUCHI KEIKO
发明人
HORIGUCHI TAKAYUKI
分类号
E01C9/00;E03F1/00;E03F5/04;(IPC1-7):E03F1/00
主分类号
E01C9/00
代理机构
代理人
主权项
地址
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