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发明名称
Improvements in or relating to electric signal transmission systems
摘要
申请公布号
GB560702(A)
申请公布日期
1944.04.17
申请号
GB19420014281
申请日期
1942.10.12
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY, LIMITED
发明人
分类号
H03F3/28;H03G7/02
主分类号
H03F3/28
代理机构
代理人
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地址
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