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经营范围
发明名称
RECORD PLAYER HAVING KEY OPERATED CONTROLS
摘要
申请公布号
US3534967(A)
申请公布日期
1970.10.20
申请号
USD3534967
申请日期
1967.02.13
申请人
V M CORP.
发明人
GERALD H. FREIER
分类号
G11B17/12;(IPC1-7):G11B17/08
主分类号
G11B17/12
代理机构
代理人
主权项
地址
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