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经营范围
发明名称
Electronic counter circuit
摘要
申请公布号
US2432292(A)
申请公布日期
1947.12.09
申请号
US19430489102
申请日期
1943.05.29
申请人
RADIO CORPORATION OF AMERICA
发明人
DEAL HARMON B.
分类号
H03K25/00
主分类号
H03K25/00
代理机构
代理人
主权项
地址
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