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经营范围
发明名称
Signal generator
摘要
申请公布号
US2461120(A)
申请公布日期
1949.02.08
申请号
US19440561613
申请日期
1944.11.02
申请人
HAZELTINE RESEARCH, INC.
发明人
LOUGHLIN BERNARD D.
分类号
H03K3/08
主分类号
H03K3/08
代理机构
代理人
主权项
地址
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