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发明名称
Modulators and demodulators
摘要
申请公布号
GB1037543(A)
申请公布日期
1966.07.27
申请号
GB19630018568
申请日期
1963.05.10
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
WILLIS JOHN GORDON
分类号
H03C1/54;H03F3/387
主分类号
H03C1/54
代理机构
代理人
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