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发明名称
摘要
申请公布号
JP4680550(B2)
申请公布日期
2011.05.11
申请号
JP20040241220
申请日期
2004.08.20
申请人
发明人
分类号
E01D22/00;E01D1/00;E04G23/02
主分类号
E01D22/00
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代理人
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