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发明名称
Method of roughening steel
摘要
申请公布号
US2411532(A)
申请公布日期
1946.11.26
申请号
US19450578225
申请日期
1945.02.16
申请人
FEDERAL TELEPHONE AND RADIO CORPORATION
发明人
ESCOFFERY CHARLES A.
分类号
C23F1/28;H01L21/08
主分类号
C23F1/28
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代理人
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