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发明名称
Verfahren zur Herstellung von oxydischen UEberzuegen auf Leichtmetallen in oxydierenden Loesungen
摘要
申请公布号
DE494262(C)
申请公布日期
1930.03.20
申请号
DE1927J031817D
申请日期
1927.07.31
申请人
DR. OTTO SPRENGER PATENTVERWERTUNG JIROTKA M.B.H.
发明人
分类号
C23C22/68
主分类号
C23C22/68
代理机构
代理人
主权项
地址
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