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发明名称
Apparatus for etching surfaces
摘要
申请公布号
US2719373(A)
申请公布日期
1955.10.04
申请号
US19520290214
申请日期
1952.05.27
申请人
THE UNIVIS LENS COMPANY
发明人
ALLEN ROBERT E.;HOSTETLER STANLEY F.
分类号
C23F1/08
主分类号
C23F1/08
代理机构
代理人
主权项
地址
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