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发明名称
Verfahren und Vorrichtung zur Beschickung elektrischer Schmelzoefen
摘要
申请公布号
DE546434(C)
申请公布日期
1932.03.12
申请号
DE1929M109087D
申请日期
1929.03.02
申请人
PAUL LOUIS JOSEPH MIGUET;MARCEL PAUL PERRON
发明人
分类号
C21C5/52;C22B4/00
主分类号
C21C5/52
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代理人
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