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发明名称
摘要
申请公布号
JPS4852087(A)
申请公布日期
1973.07.21
申请号
JP19710086925
申请日期
1971.11.01
申请人
发明人
分类号
B23Q5/20;B23Q16/02;(IPC1-7):B23Q5/20
主分类号
B23Q5/20
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代理人
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