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经营范围
发明名称
Improvements in portable tape cartridge players
摘要
申请公布号
GB1147367(A)
申请公布日期
1969.04.02
申请号
GB19670031584
申请日期
1967.07.10
申请人
PLAYTAPE, INC.
发明人
分类号
G11B15/675;G11B25/06
主分类号
G11B15/675
代理机构
代理人
主权项
地址
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