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发明名称
DEVICE FOR REPRODUCING SOUND
摘要
申请公布号
US3460838(A)
申请公布日期
1969.08.12
申请号
USD3460838
申请日期
1967.07.17
申请人
HOWARD N. GREENLEE JR.
发明人
HOWARD N. GREENLEE JR.
分类号
A63H5/00;G09B5/04;(IPC1-7):G11B1/04
主分类号
A63H5/00
代理机构
代理人
主权项
地址
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