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发明名称
摘要
申请公布号
JPS58189285(U)
申请公布日期
1983.12.15
申请号
JP19820088399U
申请日期
1982.06.14
申请人
发明人
分类号
E03F5/02;E02D29/12;E02D29/14;E03F5/10;(IPC1-7):E03F5/10
主分类号
E03F5/02
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