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经营范围
发明名称
Recording tape having permanent curved end
摘要
申请公布号
US3030231(A)
申请公布日期
1962.04.17
申请号
US19580713916
申请日期
1958.02.07
申请人
SOLO BAR
发明人
BAR SOLO
分类号
G11B15/67
主分类号
G11B15/67
代理机构
代理人
主权项
地址
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