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发明名称
EMBANKMENT
摘要
申请公布号
JPH02108709(A)
申请公布日期
1990.04.20
申请号
JP19880259132
申请日期
1988.10.14
申请人
NIPPON STEEL CORP
发明人
OKIMOTO MASAYUKI;SUGANO RYOICHI
分类号
E02B3/06;E02D23/00;E02D23/02
主分类号
E02B3/06
代理机构
代理人
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