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经营范围
发明名称
Battery eliminator
摘要
申请公布号
US1742682(A)
申请公布日期
1930.01.07
申请号
US19250031082
申请日期
1925.05.18
申请人
RAYTHEON INC.
发明人
BEERS ROLAND F.
分类号
H02M7/06
主分类号
H02M7/06
代理机构
代理人
主权项
地址
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