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发明名称
摘要
申请公布号
JPH0621831(U)
申请公布日期
1994.03.22
申请号
JP19920040189U
申请日期
1992.05.19
申请人
发明人
分类号
B23B47/20;B23Q5/32;B23Q5/40;B24B47/22;(IPC1-7):B23Q5/40
主分类号
B23B47/20
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