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经营范围
发明名称
Procédé de modulation pour émetteur de t.s.f.
摘要
申请公布号
FR50403(E)
申请公布日期
1940.06.05
申请号
FRD50403
申请日期
1938.12.29
申请人
SOCIETE FRANCAISE RADIO-ELECTRIQUE
发明人
分类号
H03C1/50;H03F1/06
主分类号
H03C1/50
代理机构
代理人
主权项
地址
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