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发明名称
Magneto field member
摘要
申请公布号
US1958043(A)
申请公布日期
1934.05.08
申请号
US19320646407
申请日期
1932.12.09
申请人
HEINTZ & KAUFMAN, LTD.
发明人
HEINTZ RALPH M.
分类号
H02K21/28
主分类号
H02K21/28
代理机构
代理人
主权项
地址
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