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经营范围
发明名称
Improvements in or relating to electric coils
摘要
申请公布号
GB740336(A)
申请公布日期
1955.11.09
申请号
GB19540012318
申请日期
1954.04.28
申请人
PHILIPS ELECTRICAL INDUSTRIES LIMITED
发明人
分类号
H01F17/04
主分类号
H01F17/04
代理机构
代理人
主权项
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