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发明名称
Lapping method and apparatus
摘要
申请公布号
US2819572(A)
申请公布日期
1958.01.14
申请号
US19560606637
申请日期
1956.08.28
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
LEWIS THOMAS G.
分类号
B24B5/04
主分类号
B24B5/04
代理机构
代理人
主权项
地址
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