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发明名称
摘要
申请公布号
JPS5443545(Y2)
申请公布日期
1979.12.15
申请号
JP19760061195U
申请日期
1976.05.17
申请人
发明人
分类号
E04B1/38;E02D31/04;E04B1/61;E04B1/68;E21D11/38;E21F16/02;(IPC1-7):E21F16/02
主分类号
E04B1/38
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