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发明名称
摘要
申请公布号
JPS6442808(U)
申请公布日期
1989.03.14
申请号
JP19860186500U
申请日期
1986.12.03
申请人
发明人
分类号
B23B31/08;(IPC1-7):B23B31/04
主分类号
B23B31/08
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代理人
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