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发明名称
Dispositifs amplificateurs avec couplage par réaction
摘要
申请公布号
FR783873(A)
申请公布日期
1935.07.19
申请号
FRD783873
申请日期
1934.12.17
申请人
发明人
KRAWINKEL GUENTHER
分类号
H03F1/36;H04B1/16
主分类号
H03F1/36
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