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经营范围
发明名称
TRANSFORMER CORE CONSTRUCTION
摘要
申请公布号
US3454916(A)
申请公布日期
1969.07.08
申请号
USD3454916
申请日期
1967.10.09
申请人
GRANGER ASSOCIATES
发明人
WILLIAM GEORGE HOOVER
分类号
H01F30/16;(IPC1-7):H01F27/08;H01F27/24;H01F27/28
主分类号
H01F30/16
代理机构
代理人
主权项
地址
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