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经营范围
发明名称
Improvements relating to magnetic recording and reproducing heads
摘要
申请公布号
GB900472(A)
申请公布日期
1962.07.04
申请号
GB19600030372
申请日期
1960.09.02
申请人
PHILIPS ELECTRICAL INDUSTRIES LIMITED
发明人
分类号
G11B5/29
主分类号
G11B5/29
代理机构
代理人
主权项
地址
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