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经营范围
发明名称
A SOUND REPRODUCING DEVICE
摘要
申请公布号
GB1260080(A)
申请公布日期
1972.01.12
申请号
GB19700050178
申请日期
1970.10.22
申请人
IDEAL TOY CORPORATION
发明人
分类号
G11B3/00;G11B33/06
主分类号
G11B3/00
代理机构
代理人
主权项
地址
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