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发明名称
Television prompting apparatus
摘要
申请公布号
US2635373(A)
申请公布日期
1953.04.21
申请号
US19490088866
申请日期
1949.04.21
申请人
TELEPROMPTER CORPORATION
发明人
BARKAU FRED H.
分类号
H04N5/222
主分类号
H04N5/222
代理机构
代理人
主权项
地址
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