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发明名称
Verfahren zum AEtzen von Druckplatten, Schildern u. dgl.
摘要
申请公布号
DE550803(C)
申请公布日期
1932.05.20
申请号
DED550803D
申请日期
1930.05.31
申请人
HOH & HAHNE
发明人
分类号
C23F1/08;C23G3/00
主分类号
C23F1/08
代理机构
代理人
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