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发明名称
摘要
申请公布号
JP2557200(Y2)
申请公布日期
1997.12.08
申请号
JP19930053500U
申请日期
1993.10.01
申请人
发明人
分类号
E04H1/12;E04B2/74;(IPC1-7):E04B2/74
主分类号
E04H1/12
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