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发明名称
Subscription television system
摘要
申请公布号
US2912486(A)
申请公布日期
1959.11.10
申请号
US19550481423
申请日期
1955.01.12
申请人
SKIATRON ELECTRONICS & TELEVISION CORPORATION
发明人
SHANAHAN WILLIAM J.
分类号
H04N7/16
主分类号
H04N7/16
代理机构
代理人
主权项
地址
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