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发明名称
Thermionic valve circuits
摘要
申请公布号
US2294862(A)
申请公布日期
1942.09.01
申请号
US19400344642
申请日期
1940.07.10
申请人
ASSOCIATED ELECTRIC LABORATORIES INC.
发明人
HADFIELD BERTRAM MORTON
分类号
H03G3/22
主分类号
H03G3/22
代理机构
代理人
主权项
地址
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