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经营范围
发明名称
Perfectionnements aux appareils radiorécepteurs
摘要
申请公布号
FR927230(A)
申请公布日期
1947.10.23
申请号
FRD927230
申请日期
1946.05.22
申请人
发明人
HANSEN HANS CHRISTIAN
分类号
H03J5/32
主分类号
H03J5/32
代理机构
代理人
主权项
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