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经营范围
发明名称
Etching machine
摘要
申请公布号
GB794080(A)
申请公布日期
1958.04.30
申请号
GB19560013138
申请日期
1956.04.30
申请人
POWERS CHEMCO, INC.
发明人
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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