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发明名称
Magnetic recording tape reel
摘要
申请公布号
US2969203(A)
申请公布日期
1961.01.24
申请号
US19550510971
申请日期
1955.05.25
申请人
MINNESOTA MINING & MANUFACTURING COMPANY
发明人
MOHRLANT VICTOR A.
分类号
主分类号
代理机构
代理人
主权项
地址
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