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发明名称
摘要
申请公布号
JPS5613144(U)
申请公布日期
1981.02.04
申请号
JP19790095137U
申请日期
1979.07.12
申请人
发明人
分类号
E02D9/02;E02D13/00;(IPC1-7):E02D13/00
主分类号
E02D9/02
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代理人
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