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发明名称
Dispositif amplificateur de courant continu
摘要
申请公布号
FR1371862(A)
申请公布日期
1964.09.11
申请号
FR19630940227
申请日期
1963.07.03
申请人
ALBERT LE BOEUF & FILS
发明人
分类号
H03F3/40
主分类号
H03F3/40
代理机构
代理人
主权项
地址
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