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发明名称
摘要
申请公布号
JPH0587169(U)
申请公布日期
1993.11.22
申请号
JP19910072895U
申请日期
1991.06.06
申请人
发明人
分类号
E04H15/60;(IPC1-7):E04H15/60
主分类号
E04H15/60
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代理人
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地址
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