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发明名称
Verfahren zur Herstellung von Trockenbeizen und Staeubemitteln
摘要
申请公布号
DE490260(C)
申请公布日期
1930.02.01
申请号
DE1926C038447D
申请日期
1926.07.01
申请人
SCHERING-KAHLBAUM A.-G.
发明人
分类号
主分类号
代理机构
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