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发明名称
摘要
申请公布号
JPS54181739(U)
申请公布日期
1979.12.22
申请号
JP19780080458U
申请日期
1978.06.14
申请人
发明人
分类号
E03D11/10;(IPC1-7):E03D11/10
主分类号
E03D11/10
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