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发明名称
MAGNETIC RECORDING HEAD
摘要
申请公布号
CA765984(A)
申请公布日期
1967.08.22
申请号
CAD765984
申请日期
申请人
MINNESOTA MINING AND MANUFACTURING COMPANY
发明人
WALTER GUCKENBURG
分类号
主分类号
代理机构
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主权项
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