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发明名称
Improvements in and relating to frequency changing arrangements for combined broadcast sound radio and television sets
摘要
申请公布号
GB770218(A)
申请公布日期
1957.03.20
申请号
GB19540029473
申请日期
1954.10.13
申请人
SAUTIER & JAEGER
发明人
分类号
H03B5/10;H03B21/01;H03D7/10;H04B1/26;H04N5/60
主分类号
H03B5/10
代理机构
代理人
主权项
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