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发明名称
Transistor tube switching circuits
摘要
申请公布号
US2935690(A)
申请公布日期
1960.05.03
申请号
US19550481651
申请日期
1955.01.13
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
BERGFORS CARL A.
分类号
H03K3/281
主分类号
H03K3/281
代理机构
代理人
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地址
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