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发明名称
Sélecteur de niveau pour réseau électrique à courant constant
摘要
申请公布号
FR1250373(A)
申请公布日期
1961.01.06
申请号
FR19600820845
申请日期
1960.03.09
申请人
STAUFFER CHEMICAL COMPANY
发明人
分类号
G05F3/04
主分类号
G05F3/04
代理机构
代理人
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