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经营范围
发明名称
Tête magnétique de lecture et d'enregistrement et son procédé de fabrication
摘要
申请公布号
FR1159994(A)
申请公布日期
1958.07.04
申请号
FRD1159994
申请日期
1956.10.01
申请人
COMPAGNIE DES MACHINES BULL
发明人
分类号
G11B5/187;G11B5/21
主分类号
G11B5/187
代理机构
代理人
主权项
地址
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