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发明名称
Keyed a. g. c. system with means for preventing signal lockout
摘要
申请公布号
US2976359(A)
申请公布日期
1961.03.21
申请号
US19550517614
申请日期
1955.06.23
申请人
HAZELTINE RESEARCH, INC.
发明人
RICHMAN DONALD
分类号
H04N5/50
主分类号
H04N5/50
代理机构
代理人
主权项
地址
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