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发明名称
摘要
申请公布号
JPS52166884(U)
申请公布日期
1977.12.17
申请号
JP19770075246U
申请日期
1977.06.08
申请人
发明人
分类号
B23Q3/06;B23B47/28;(IPC1-7):B23Q3/06
主分类号
B23Q3/06
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