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经营范围
发明名称
Perfectionnements aux magnétrons
摘要
申请公布号
FR991294(A)
申请公布日期
1951.10.03
申请号
FRD991294
申请日期
1949.05.16
申请人
COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
发明人
分类号
H01J25/593
主分类号
H01J25/593
代理机构
代理人
主权项
地址
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