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发明名称
Improvements in modulation meters
摘要
申请公布号
GB629545(A)
申请公布日期
1949.09.22
申请号
GB19460036897
申请日期
1946.12.13
申请人
THE BRITISH BROADCASTING CORPORATION;ALEXANDER HERMANN HILL
发明人
分类号
G01R29/06
主分类号
G01R29/06
代理机构
代理人
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地址
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