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发明名称
SOUND REPRODUCING APPARATUS
摘要
申请公布号
GB1249696(A)
申请公布日期
1971.10.13
申请号
GB19690029052
申请日期
1969.06.09
申请人
MATTEL, INC.
发明人
分类号
G11B3/095;A63H3/28;A63H3/33;G11B33/06
主分类号
G11B3/095
代理机构
代理人
主权项
地址
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