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发明名称
摘要
申请公布号
JP3079231(B2)
申请公布日期
2000.08.21
申请号
JP19910203409
申请日期
1991.07.19
申请人
发明人
分类号
E04C5/12;E04G21/12;(IPC1-7):E04C5/12
主分类号
E04C5/12
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代理人
主权项
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