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发明名称
EARTH DELIVERY BLOCKADING METHOD OF DAM
摘要
申请公布号
JPH05171629(A)
申请公布日期
1993.07.09
申请号
JP19910356527
申请日期
1991.12.25
申请人
TAISEI CORP
发明人
WADA KENJI
分类号
E02B8/02
主分类号
E02B8/02
代理机构
代理人
主权项
地址
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