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发明名称
Audio device
摘要
申请公布号
US3389915(A)
申请公布日期
1968.06.25
申请号
US19650497279
申请日期
1965.10.18
申请人
IDEAL TOY CORPORATION
发明人
OWEN CHARLES L.;SILHAVY FRANK J.;MERESZ HENRYK W.
分类号
G11B33/06
主分类号
G11B33/06
代理机构
代理人
主权项
地址
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