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发明名称
Electric system
摘要
申请公布号
US2133975(A)
申请公布日期
1938.10.25
申请号
US19330668800
申请日期
1933.05.01
申请人
THE SAFETY CAR HEATING & LIGHTING COMPANY
发明人
CREVELING JOHN L.
分类号
H02J7/34
主分类号
H02J7/34
代理机构
代理人
主权项
地址
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