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经营范围
发明名称
Emergency power supply
摘要
申请公布号
US3324304(A)
申请公布日期
1967.06.06
申请号
US19630319180
申请日期
1963.10.28
申请人
THE MAINTENANCE COMPANY, INC.
发明人
DUNCAN EDWARD T.
分类号
H02J9/02
主分类号
H02J9/02
代理机构
代理人
主权项
地址
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