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发明名称
摘要
申请公布号
JP3079248(B2)
申请公布日期
2000.08.21
申请号
JP19960039259
申请日期
1996.02.27
申请人
发明人
分类号
E04B1/82;E21F17/12;G10K11/16;(IPC1-7):E21F17/12
主分类号
E04B1/82
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