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经营范围
发明名称
Apparatus for detecting variations in load impedances
摘要
申请公布号
US2449739(A)
申请公布日期
1948.09.21
申请号
US19450594761
申请日期
1945.05.19
申请人
RADIO CORPORATION
发明人
DUTTERA WILLIAM S.
分类号
H03H2/00
主分类号
H03H2/00
代理机构
代理人
主权项
地址
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