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发明名称
摘要
申请公布号
JPS5334815(U)
申请公布日期
1978.03.27
申请号
JP19760117989U
申请日期
1976.08.31
申请人
发明人
分类号
E04D3/362;(IPC1-7):E04D3/362
主分类号
E04D3/362
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代理人
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