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经营范围
发明名称
Improved recording and/or reproducing system
摘要
申请公布号
GB874316(A)
申请公布日期
1961.08.02
申请号
GB19590024231
申请日期
1959.07.14
申请人
AMPEX CORPORATION
发明人
分类号
H04N5/782
主分类号
H04N5/782
代理机构
代理人
主权项
地址
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