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发明名称
Perfectionnement aux dispositifs de commande automatique de moteurs électriques contrôlés par variations de hauteurs d'eau
摘要
申请公布号
FR44395(E)
申请公布日期
1934.12.29
申请号
FRD44395
申请日期
1934.01.26
申请人
发明人
MAURICE SCHWOB LOUIS,
分类号
G01F23/24
主分类号
G01F23/24
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代理人
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