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发明名称
Magnetic structure
摘要
申请公布号
US2275880(A)
申请公布日期
1942.03.10
申请号
US19390298154
申请日期
1939.10.05
申请人
GENERAL ELECTRIC COMPANY
发明人
AREY RALPH G.
分类号
H02M7/06;H04R9/02
主分类号
H02M7/06
代理机构
代理人
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