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发明名称
Improvements in or relating to electric frequency modulating circuits
摘要
申请公布号
GB677970(A)
申请公布日期
1952.08.27
申请号
GB19510003681
申请日期
1951.02.15
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
MCLEOD THOMAS SYMINGTON
分类号
H03C3/06
主分类号
H03C3/06
代理机构
代理人
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