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发明名称
Perfectionnements aux systèmes à magnétrons
摘要
申请公布号
FR785442(A)
申请公布日期
1935.08.09
申请号
FRD785442
申请日期
1935.02.09
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
分类号
H01J23/10;H03B9/10
主分类号
H01J23/10
代理机构
代理人
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地址
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