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发明名称
摘要
申请公布号
JP2563019(Y2)
申请公布日期
1998.02.18
申请号
JP19900404937U
申请日期
1990.12.27
申请人
发明人
分类号
E04C5/18;E04G21/12;(IPC1-7):E04C5/18
主分类号
E04C5/18
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代理人
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