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发明名称
Improvements in dust cores for inductance coils
摘要
申请公布号
GB498150(A)
申请公布日期
1939.01.04
申请号
GB19370021220
申请日期
1937.07.30
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
H01F1/26
主分类号
H01F1/26
代理机构
代理人
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