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发明名称
摘要
申请公布号
JP2742733(B2)
申请公布日期
1998.04.22
申请号
JP19910111646
申请日期
1991.05.16
申请人
发明人
分类号
E04H6/18;(IPC1-7):E04H6/18
主分类号
E04H6/18
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代理人
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地址
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