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发明名称
摘要
申请公布号
JP3093897(U)
申请公布日期
2003.05.23
申请号
JP20020007870U
申请日期
2002.11.06
申请人
发明人
分类号
B23B31/163;E21D9/12;(IPC1-7):B23B31/163
主分类号
B23B31/163
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