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经营范围
发明名称
Improvements in or relating to electrical apparatus windings
摘要
申请公布号
GB348275(A)
申请公布日期
1931.05.14
申请号
GB19300007602
申请日期
1930.03.08
申请人
COVENTRY AUTOMATIC TELEPHONES, LIMITED;CHARLES CLARKE PUCKETTE
发明人
分类号
H01F5/06
主分类号
H01F5/06
代理机构
代理人
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