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发明名称
Perfectionnements aux régulateurs d'intensité électrique
摘要
申请公布号
FR683022(A)
申请公布日期
1930.06.05
申请号
FRD683022
申请日期
1929.01.22
申请人
LA RADIOTECHNIQUE
发明人
分类号
G05F3/04;G05F3/10
主分类号
G05F3/04
代理机构
代理人
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