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经营范围
发明名称
Improvements in or relating to spools for magnetic tape
摘要
申请公布号
GB1020579(A)
申请公布日期
1966.02.23
申请号
GB19620031191
申请日期
1962.08.14
申请人
DECCA LIMITED
发明人
GWILLIM DAVID THOMAS
分类号
G11B23/037
主分类号
G11B23/037
代理机构
代理人
主权项
地址
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