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发明名称
摘要
申请公布号
JPH0556308(U)
申请公布日期
1993.07.27
申请号
JP19910113706U
申请日期
1991.12.28
申请人
发明人
分类号
B23B31/02;B23B31/117;B25J15/04;(IPC1-7):B23B31/02
主分类号
B23B31/02
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代理人
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