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经营范围
发明名称
Improvements in or relating to blocking oscillators
摘要
申请公布号
GB683109(A)
申请公布日期
1952.11.19
申请号
GB19510007433
申请日期
1951.03.30
申请人
PHILIPS ELECTRICAL INDUSTRIES LIMITED
发明人
分类号
H03K4/16
主分类号
H03K4/16
代理机构
代理人
主权项
地址
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