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经营范围
发明名称
Secondary emission tube ring circuit
摘要
申请公布号
US2512984(A)
申请公布日期
1950.06.27
申请号
US19480047305
申请日期
1948.09.01
申请人
STROMBERG-CARLSON COMPANY
发明人
TROUSDALE ROBERT B.
分类号
H03K23/82
主分类号
H03K23/82
代理机构
代理人
主权项
地址
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