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发明名称
Verwendung von Kupfer-Palladium-Legierungen fuer Schreibfedern
摘要
申请公布号
DE688620(C)
申请公布日期
1940.02.26
申请号
DE193700A2508D
申请日期
1937.04.02
申请人
ALLGEMEINE GOLD- UND SILBERSCHEIDEANSTALT A.-G.
发明人
分类号
C22C5/04;C22C9/00
主分类号
C22C5/04
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代理人
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