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经营范围
发明名称
Procédé pour stabiliser un phénomène électrique et en particulier une tension
摘要
申请公布号
FR1012103(A)
申请公布日期
1952.07.04
申请号
FRD1012103
申请日期
1949.06.08
申请人
ETABLISSEMENTS E. RAGONOT
发明人
分类号
G05D3/14
主分类号
G05D3/14
代理机构
代理人
主权项
地址
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