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发明名称
High frequency impedance unit
摘要
申请公布号
US2294881(A)
申请公布日期
1942.09.08
申请号
US19390288133
申请日期
1939.08.03
申请人
INTERNATIONAL TELEPHONE & RADIO MANUFACTURING CORPORATION
发明人
ALFORD ANDREW
分类号
H03H5/00
主分类号
H03H5/00
代理机构
代理人
主权项
地址
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