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发明名称
Etching machine
摘要
申请公布号
US2293201(A)
申请公布日期
1942.08.18
申请号
US19360060046
申请日期
1936.01.21
申请人
GAEBEL ARTHUR H
发明人
GAEBEL ARTHUR H.
分类号
B44C1/22;C23F1/08
主分类号
B44C1/22
代理机构
代理人
主权项
地址
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