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发明名称
摘要
申请公布号
JPS644504(U)
申请公布日期
1989.01.12
申请号
JP19870100207U
申请日期
1987.06.30
申请人
发明人
分类号
B23B29/03;(IPC1-7):B23B29/03
主分类号
B23B29/03
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