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发明名称
摘要
申请公布号
JPS5831946(U)
申请公布日期
1983.03.02
申请号
JP19810127133U
申请日期
1981.08.26
申请人
发明人
分类号
B24B31/00;B24B49/00
主分类号
B24B31/00
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