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发明名称
摘要
申请公布号
JPS5537902(U)
申请公布日期
1980.03.11
申请号
JP19780022915U
申请日期
1978.02.25
申请人
发明人
分类号
E04B1/38;E04B1/58;(IPC1-7):E04B1/40
主分类号
E04B1/38
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