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经营范围
发明名称
PREPARATION OF MAGNETIC HEAD
摘要
申请公布号
JPS52129512(A)
申请公布日期
1977.10.31
申请号
JP19760046399
申请日期
1976.04.23
申请人
OLYMPUS OPTICAL CO
发明人
OOYOSHI KAORU;TSUDA HISATSUNE
分类号
G11B5/23;G11B5/133;G11B5/187
主分类号
G11B5/23
代理机构
代理人
主权项
地址
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