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发明名称
Verfahren zur Herstellung von Massekernen aus mit Natriumsilikat als Isolierstoff untermischtem magnetisierbarem Pulver, insbesondere unter Zusatz von Chromsaeure und gegebenenfalls Talkum
摘要
申请公布号
DE544814(C)
申请公布日期
1932.02.22
申请号
DE1929I039493D
申请日期
1929.10.04
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
分类号
H01F1/24
主分类号
H01F1/24
代理机构
代理人
主权项
地址
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