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发明名称
Improvements in single-sideband speech-transmission systems
摘要
申请公布号
GB883177(A)
申请公布日期
1961.11.22
申请号
GB19580022034
申请日期
1958.07.09
申请人
PHILIPS ELECTRICAL INDUSTRIES LIMITED
发明人
分类号
H04B1/68
主分类号
H04B1/68
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代理人
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