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经营范围
发明名称
Improvements in or relating to methods of manufacturing magnetic recording and/or reproducing heads
摘要
申请公布号
GB897123(A)
申请公布日期
1962.05.23
申请号
GB19590022423
申请日期
1959.06.30
申请人
PHILIPS ELECTRICAL INDUSTRIES LIMITED
发明人
分类号
G11B5/187
主分类号
G11B5/187
代理机构
代理人
主权项
地址
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