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经营范围
发明名称
Improvements in or relating to circuits for charging or discharging condensers
摘要
申请公布号
GB642910(A)
申请公布日期
1950.09.13
申请号
GB19470015629
申请日期
1947.06.13
申请人
PHILIPS LAMPS LIMITED
发明人
分类号
H03K4/12;H03K4/86
主分类号
H03K4/12
代理机构
代理人
主权项
地址
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