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发明名称
Perfectionnements aux têtes d'enregistrement magnétique
摘要
申请公布号
FR1080292(A)
申请公布日期
1954.12.08
申请号
FRD1080292
申请日期
1953.07.02
申请人
DICTAPHONE CORPORATION
发明人
分类号
G11B5/187;G11B5/58
主分类号
G11B5/187
代理机构
代理人
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地址
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Display
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