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经营范围
发明名称
Heterodyne receiver circuit
摘要
申请公布号
US2525394(A)
申请公布日期
1950.10.10
申请号
US19470728074
申请日期
1947.02.12
申请人
HARTFORD NATIONAL BANK AND TRUST COMPANY
发明人
BLOK HENRI
分类号
H03D7/10;H03J3/28
主分类号
H03D7/10
代理机构
代理人
主权项
地址
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