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经营范围
发明名称
APPARATUS FOR SENSING AN EXTERNAL MAGNETIC FIELD
摘要
申请公布号
GB2022257(B)
申请公布日期
1983.01.12
申请号
GB19790010693
申请日期
1979.03.27
申请人
SONY CORP
发明人
分类号
G01R33/09;H01L43/08;(IPC1-7):G01R33/02
主分类号
G01R33/09
代理机构
代理人
主权项
地址
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