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发明名称
Battery charging apparatus
摘要
申请公布号
US1861516(A)
申请公布日期
1932.06.07
申请号
US19300500288
申请日期
1930.12.05
申请人
THE UNION SWITCH & SIGNAL COMPANY
发明人
WILLIAMSON KENNETH T.;SEAVERSON OSWALD I.
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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