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经营范围
发明名称
MAGNETIC HEAD DEVICE
摘要
申请公布号
GB8428497(D0)
申请公布日期
1984.12.19
申请号
GB19840028497
申请日期
1984.11.12
申请人
ALPS ELECTRIC CO LTD
发明人
分类号
G11B17/32;G11B5/58;G11B21/20;G11B21/21
主分类号
G11B17/32
代理机构
代理人
主权项
地址
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