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经营范围
发明名称
Improvements in or relating to adjustable electric condensers
摘要
申请公布号
GB511415(A)
申请公布日期
1939.08.17
申请号
GB19390008710
申请日期
1939.03.18
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01G5/12
主分类号
H01G5/12
代理机构
代理人
主权项
地址
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