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发明名称
Sound on sync separation system
摘要
申请公布号
US2563684(A)
申请公布日期
1951.08.07
申请号
US19460683699
申请日期
1946.07.15
申请人
PYE LIMITED
发明人
LORD ARTHUR VALENTINE
分类号
H04N5/08;H04N7/084
主分类号
H04N5/08
代理机构
代理人
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地址
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