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发明名称
Transistorized counter decade
摘要
申请公布号
US3029352(A)
申请公布日期
1962.04.10
申请号
US19570692232
申请日期
1957.10.24
申请人
POTTER INSTRUMENT CO., INC.
发明人
MARSHALL CHARLES E.
分类号
H03K23/58
主分类号
H03K23/58
代理机构
代理人
主权项
地址
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