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经营范围
发明名称
Magnetic recording and reproducing system
摘要
申请公布号
GB785807(A)
申请公布日期
1957.11.06
申请号
GB19550025259
申请日期
1955.09.02
申请人
ESSO RESEARCH AND ENGINEERING COMPANY
发明人
分类号
G11B5/00
主分类号
G11B5/00
代理机构
代理人
主权项
地址
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