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发明名称
Battery charging system
摘要
申请公布号
US2431311(A)
申请公布日期
1947.11.25
申请号
US19440566887
申请日期
1944.12.06
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
CRONVALL LARS PER
分类号
H02J7/12
主分类号
H02J7/12
代理机构
代理人
主权项
地址
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