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发明名称
Noyaux magnétiques améliorés
摘要
申请公布号
FR1364128(A)
申请公布日期
1964.06.19
申请号
FR19630934269
申请日期
1963.05.09
申请人
LIGNES TELEGRAPHIQUES ET TELEPHONIQUES
发明人
PIERROT ANDRE
分类号
H01F1/03;H01F17/04
主分类号
H01F1/03
代理机构
代理人
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地址
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