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经营范围
发明名称
Electric control for phonographs
摘要
申请公布号
US2614674(A)
申请公布日期
1952.10.21
申请号
US19470722323
申请日期
1947.01.16
申请人
H. C. EVANS & CO.
发明人
ANDRES LLOYD J.
分类号
G07F17/30
主分类号
G07F17/30
代理机构
代理人
主权项
地址
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