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发明名称
Dispositif électrique comprenant au moins un amplificateur sélectif à contreréaction.
摘要
申请公布号
CH256365(A)
申请公布日期
1948.08.15
申请号
CHD256365
申请日期
1944.06.08
申请人
STANDARD TELEPHONE ET RADIO S. A.
发明人
STANDARD TELEPHONE ET RADIO S. A.
分类号
H03F3/189
主分类号
H03F3/189
代理机构
代理人
主权项
地址
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