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发明名称
Pseudo-extension of frequency bands
摘要
申请公布号
US2113976(A)
申请公布日期
1938.04.12
申请号
US19340754217
申请日期
1934.11.22
申请人
LOUIS A. DE BOSA
发明人
BAGNO SAMUEL
分类号
H04B1/66
主分类号
H04B1/66
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代理人
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