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发明名称
Perfectionnements aux dispositifs de commande à amplificateur magneti?
摘要
申请公布号
FR1047831(A)
申请公布日期
1953.12.17
申请号
FRD1047831
申请日期
1951.06.18
申请人
COMPAGNIE FRANCAISE THOMSON-HOUSTON
发明人
分类号
G05B11/01;H03F9/04
主分类号
G05B11/01
代理机构
代理人
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地址
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