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发明名称
Synchronizing system
摘要
申请公布号
US2249943(A)
申请公布日期
1941.07.22
申请号
US19390310591
申请日期
1939.12.22
申请人
ALLEN B. DU MONT LABORATORIES, INC.
发明人
CAMPBELL RICHARD L.
分类号
H04N5/08
主分类号
H04N5/08
代理机构
代理人
主权项
地址
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