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发明名称
Perfectionnement apporté à la fabrication des têtes d'enregistrement magnétique
摘要
申请公布号
FR1075881(A)
申请公布日期
1954.10.20
申请号
FRD1075881
申请日期
1953.04.15
申请人
LES PROCEDES MAGNETIQUES FRANCAIS
发明人
分类号
G11B5/23;G11B5/235
主分类号
G11B5/23
代理机构
代理人
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地址
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