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经营范围
发明名称
Système de magnétron
摘要
申请公布号
FR873070(A)
申请公布日期
1942.06.29
申请号
FRD873070
申请日期
1941.06.14
申请人
TELEFUNKEN GESELLSCHAFT FU:R DRAHTLOSE TELEGRAPHIE M. B. H.
发明人
分类号
H01J25/54
主分类号
H01J25/54
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代理人
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