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经营范围
发明名称
Improvements in or relating to magnetic tape recording reproducing heads
摘要
申请公布号
GB782327(A)
申请公布日期
1957.09.04
申请号
GB19550029071
申请日期
1955.10.12
申请人
PHILIPS ELECTRICAL INDUSTRIES LIMITED
发明人
分类号
G11B5/127
主分类号
G11B5/127
代理机构
代理人
主权项
地址
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