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经营范围
发明名称
MAGNETIC SYSTEM
摘要
申请公布号
US3454838(A)
申请公布日期
1969.07.08
申请号
USD3454838
申请日期
1967.02.02
申请人
CSF CIE. GENERALE DE TELEGRAPHIE SANS FIL
发明人
RAYMOND DEFAIN
分类号
H01F7/02;H01F7/20;(IPC1-7):H01H47/00;H01F1/00
主分类号
H01F7/02
代理机构
代理人
主权项
地址
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