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发明名称
摘要
申请公布号
JPS5422290(U)
申请公布日期
1979.02.14
申请号
JP19770094454U
申请日期
1977.07.18
申请人
发明人
分类号
B24B53/053;B24B53/14
主分类号
B24B53/053
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