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发明名称
摘要
申请公布号
JP3611271(B2)
申请公布日期
2005.01.19
申请号
JP19970306742
申请日期
1997.11.10
申请人
发明人
分类号
E21D11/40;(IPC1-7):E21D11/40
主分类号
E21D11/40
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