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发明名称
摘要
申请公布号
JPH0283914(U)
申请公布日期
1990.06.28
申请号
JP19880162414U
申请日期
1988.12.16
申请人
发明人
分类号
E04C2/38;(IPC1-7):E04C2/38
主分类号
E04C2/38
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代理人
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地址
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