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发明名称
Electronic timer circuit
摘要
申请公布号
US2206446(A)
申请公布日期
1940.07.02
申请号
US19390264474
申请日期
1939.03.27
申请人
BERCSKIN ALEXANDER B
发明人
BERCSKIN ALEXANDER B.
分类号
H03K17/288
主分类号
H03K17/288
代理机构
代理人
主权项
地址
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