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摘要
申请公布号
JP3098208(B2)
申请公布日期
2000.10.16
申请号
JP19970240807
申请日期
1997.09.05
申请人
发明人
分类号
E21D11/00;(IPC1-7):E21D11/00
主分类号
E21D11/00
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