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发明名称
Improvements in and relating to transformers
摘要
申请公布号
GB341750(A)
申请公布日期
1931.01.22
申请号
GB19300005236
申请日期
1930.02.17
申请人
THEODOR POHL
发明人
分类号
H01F27/40;H02K5/132
主分类号
H01F27/40
代理机构
代理人
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