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经营范围
发明名称
Perfectionnements aux oscillateurs à lampes électroniques
摘要
申请公布号
FR794802(A)
申请公布日期
1936.02.26
申请号
FRD794802
申请日期
1934.11.24
申请人
COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
发明人
分类号
H03B5/10
主分类号
H03B5/10
代理机构
代理人
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