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经营范围
发明名称
Einrichtung zur Waermebehandlung von Massekernen fuer Belastungsspulen von Fernmeldeleitungen, insbesondere aus Stoffen hoher Permeabilitaet
摘要
申请公布号
DE514912(C)
申请公布日期
1930.12.19
申请号
DE1927ST43050D
申请日期
1927.08.09
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
分类号
H01F1/22
主分类号
H01F1/22
代理机构
代理人
主权项
地址
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