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发明名称
摘要
申请公布号
JP3139809(B2)
申请公布日期
2001.03.05
申请号
JP19920032173
申请日期
1992.02.19
申请人
发明人
分类号
E04B2/74;(IPC1-7):E04B2/74
主分类号
E04B2/74
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代理人
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