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经营范围
发明名称
Commutateur permettant la charge simultanée, à partir d'une source unique, de plusieurs batteries d'accumulateurs de tensions différentes, égales ou supérieures à celle de la source
摘要
申请公布号
FR672932(A)
申请公布日期
1930.01.08
申请号
FRD672932
申请日期
1929.04.11
申请人
发明人
CRETE MAURICE
分类号
H02J7/00
主分类号
H02J7/00
代理机构
代理人
主权项
地址
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