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发明名称
Verfahren zur Herstellung von Elektroden, Kohlenstiften, Kohlebuersten, elektrischen Kohlen u. dgl., insbesondere fuer elektrische Zwecke
摘要
申请公布号
DE701599(C)
申请公布日期
1941.01.20
申请号
DE193601S4334D
申请日期
1936.09.27
申请人
ERNST SOMMER
发明人
分类号
C25B11/12
主分类号
C25B11/12
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代理人
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