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发明名称
Three-phase constant frequency electronic power supply
摘要
申请公布号
US2618772(A)
申请公布日期
1952.11.18
申请号
US19490071665
申请日期
1949.01.19
申请人
SORENSEN & COMPANY, INC.
发明人
BUNBLASKY ADOLPH C.
分类号
H02M7/51
主分类号
H02M7/51
代理机构
代理人
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地址
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