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发明名称
摘要
申请公布号
JPS5942843(U)
申请公布日期
1984.03.21
申请号
JP19820139157U
申请日期
1982.09.14
申请人
发明人
分类号
B24B31/073;B24B31/06;(IPC1-7):B24B31/06
主分类号
B24B31/073
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代理人
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