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发明名称
摘要
申请公布号
JPS5961348(U)
申请公布日期
1984.04.21
申请号
JP19810191032U
申请日期
1981.12.23
申请人
发明人
分类号
E02D29/12;E02D29/14;(IPC1-7):E02D29/14
主分类号
E02D29/12
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代理人
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