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发明名称
Method of making dust cores of high permeability
摘要
申请公布号
GB724675(A)
申请公布日期
1955.02.23
申请号
GB19530004103
申请日期
1953.02.13
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
B22F9/08;H01F1/16
主分类号
B22F9/08
代理机构
代理人
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