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经营范围
发明名称
Improvements in magnetic recording and reproducing systems
摘要
申请公布号
GB979496(A)
申请公布日期
1965.01.06
申请号
GB19620033911
申请日期
1962.09.04
申请人
AMPEX CORPORATION
发明人
分类号
G11B15/14;H04N5/92;H04N5/95
主分类号
G11B15/14
代理机构
代理人
主权项
地址
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