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发明名称
Transmitter-controlled receiver recording system
摘要
申请公布号
US2788389(A)
申请公布日期
1957.04.09
申请号
US19500152174
申请日期
1950.03.27
申请人
JOHN HAYS HAMMOND, JR.
发明人
PURINGTON ELLISON S.
分类号
H04N5/84
主分类号
H04N5/84
代理机构
代理人
主权项
地址
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