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发明名称
Improvements in or relating to means for combining electrical energies, modulating systems and the like
摘要
申请公布号
GB309557(A)
申请公布日期
1930.02.27
申请号
GB19290011405
申请日期
1929.04.12
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY, LIMITED
发明人
分类号
H03C1/60
主分类号
H03C1/60
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