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经营范围
发明名称
Phase detector
摘要
申请公布号
US2898459(A)
申请公布日期
1959.08.04
申请号
US19550500904
申请日期
1955.04.12
申请人
HAZELTINE RESEARCH, INC.
发明人
RICHMAN DONALD
分类号
H04N5/12
主分类号
H04N5/12
代理机构
代理人
主权项
地址
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