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发明名称
摘要
申请公布号
JP3528986(B2)
申请公布日期
2004.05.24
申请号
JP19940310676
申请日期
1994.12.14
申请人
发明人
分类号
E21D9/04;(IPC1-7):E21D9/04
主分类号
E21D9/04
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代理人
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