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发明名称
Amplificateur à courant continu
摘要
申请公布号
FR1181450(A)
申请公布日期
1959.06.16
申请号
FRD1181450
申请日期
1957.08.06
申请人
SELF WINDING CLOCK COMPANY, INC.
发明人
分类号
H03F3/40
主分类号
H03F3/40
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代理人
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