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发明名称
Poste radiophonique à lampe bigrille pour réception et émission simultanées en particulier sur ondes courtes
摘要
申请公布号
FR708091(A)
申请公布日期
1931.07.20
申请号
FRD708091
申请日期
1930.03.27
申请人
发明人
MENETRIER JEAN
分类号
H04B1/56
主分类号
H04B1/56
代理机构
代理人
主权项
地址
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