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发明名称
摘要
申请公布号
JP3058838(U)
申请公布日期
1999.06.22
申请号
JP19980862898U
申请日期
1998.11.02
申请人
发明人
分类号
E01D19/00;E04B9/34;H01H36/00;(IPC1-7):E04B9/34
主分类号
E01D19/00
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代理人
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