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发明名称
摘要
申请公布号
JPS55156809(U)
申请公布日期
1980.11.11
申请号
JP19790056281U
申请日期
1979.04.26
申请人
发明人
分类号
B23B39/16;B23Q3/157;(IPC1-7):B23B39/16
主分类号
B23B39/16
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