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发明名称
Electrical gating circuits
摘要
申请公布号
US2821627(A)
申请公布日期
1958.01.28
申请号
US19540420688
申请日期
1954.04.02
申请人
THE NATIONAL CASH REGISTER COMPANY
发明人
PRITCHARD RONALD
分类号
H03K17/52
主分类号
H03K17/52
代理机构
代理人
主权项
地址
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