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发明名称
摘要
申请公布号
JPH037465(U)
申请公布日期
1991.01.24
申请号
JP19890068499U
申请日期
1989.06.12
申请人
发明人
分类号
B24D3/00;B24D5/14;(IPC1-7):B24D5/14
主分类号
B24D3/00
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代理人
主权项
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