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发明名称
Perfectionnements aux radio-récepteurs du type superhétérodyne
摘要
申请公布号
FR810657(A)
申请公布日期
1937.03.26
申请号
FRD810657
申请日期
1936.09.18
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LTD
发明人
分类号
H03D7/18
主分类号
H03D7/18
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