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发明名称
Electronic switch
摘要
申请公布号
US2413440(A)
申请公布日期
1946.12.31
申请号
US19420443117
申请日期
1942.05.15
申请人
HAZELTINE RESEARCH, INC.
发明人
FARRINGTON JOHN F.
分类号
H03K25/00;H04J3/04
主分类号
H03K25/00
代理机构
代理人
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地址
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