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发明名称
摘要
申请公布号
JPS552584(U)
申请公布日期
1980.01.09
申请号
JP19790068257U
申请日期
1979.05.23
申请人
发明人
分类号
B23B7/06;B23B7/02;(IPC1-7):B23B7/02
主分类号
B23B7/06
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