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发明名称
摘要
申请公布号
JPH0354554(U)
申请公布日期
1991.05.27
申请号
JP19890114396U
申请日期
1989.09.29
申请人
发明人
分类号
E04H4/00;(IPC1-7):E04H4/00;E04H3/18
主分类号
E04H4/00
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代理人
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