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经营范围
发明名称
Variable electronic reactance
摘要
申请公布号
US2274648(A)
申请公布日期
1942.03.03
申请号
US19400332931
申请日期
1940.05.02
申请人
RADIO PATENTS CORPORATION
发明人
BACH HENRY M.
分类号
H03C3/14
主分类号
H03C3/14
代理机构
代理人
主权项
地址
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