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经营范围
发明名称
Rectifier system
摘要
申请公布号
US2347529(A)
申请公布日期
1944.04.25
申请号
US19410386996
申请日期
1941.04.05
申请人
HAZELTINE CORPORATION
发明人
WHEELER HAROLD A.
分类号
H04N17/00
主分类号
H04N17/00
代理机构
代理人
主权项
地址
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