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经营范围
发明名称
Improvements in instruments for measuring the frequency of an electrical oscillation
摘要
申请公布号
GB578818(A)
申请公布日期
1946.07.12
申请号
GB19440008134
申请日期
1944.05.01
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;FREDERICK COLIN FRANK PHILLIPS
发明人
分类号
G01R23/00
主分类号
G01R23/00
代理机构
代理人
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地址
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