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经营范围
发明名称
Improvements in or relating to apparatus for recording electric signals
摘要
申请公布号
GB943015(A)
申请公布日期
1963.11.27
申请号
GB19590040569
申请日期
1959.11.30
申请人
GENERAL ELECTRIC COMPANY
发明人
分类号
G03G16/00;G11B7/13;G11B7/135;G11B9/00;G11B11/00;G11B11/03;G11C13/04;H04N5/74;H04N5/80;H04N5/82;H04N9/31
主分类号
G03G16/00
代理机构
代理人
主权项
地址
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