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发明名称
Electronic counter
摘要
申请公布号
US2542685(A)
申请公布日期
1951.02.20
申请号
US19480011823
申请日期
1948.02.27
申请人
RADIO CORPORATION OF AMERICA
发明人
JR. HOWARD C. LAWRENCE,;JR. ROBERT R. FREAS,
分类号
H03K23/82
主分类号
H03K23/82
代理机构
代理人
主权项
地址
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