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发明名称
Etching apparatus
摘要
申请公布号
US2261988(A)
申请公布日期
1941.11.11
申请号
US19370135667
申请日期
1937.04.08
申请人
GAEBEL ARTHUR H
发明人
GAEBEL ARTHUR H.
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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