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发明名称
Tête magnétique à haut rendement plus particulièrement pour calculatrices électroniques
摘要
申请公布号
FR1140928(A)
申请公布日期
1957.08.21
申请号
FRD1140928
申请日期
1955.12.21
申请人
COMPAGNIE DES MACHINES BULL
发明人
分类号
G11B5/11;G11B5/53
主分类号
G11B5/11
代理机构
代理人
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地址
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