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发明名称
摘要
申请公布号
JP2700769(B2)
申请公布日期
1998.01.21
申请号
JP19940301679
申请日期
1994.11.11
申请人
发明人
分类号
E02D17/08;E21D9/06;(IPC1-7):E21D9/06
主分类号
E02D17/08
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代理人
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