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发明名称
Electronic counter
摘要
申请公布号
US2756934(A)
申请公布日期
1956.07.31
申请号
US19530343831
申请日期
1953.03.23
申请人
TRACERLAB, INC.
发明人
ZIFFER GARRET F.
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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