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经营范围
发明名称
Sound recording and reproducing apparatus
摘要
申请公布号
US2583462(A)
申请公布日期
1952.01.22
申请号
US19460701134
申请日期
1946.10.04
申请人
THE GEORGE W. BORG CORPORATION
发明人
BOOTH BYRON C.
分类号
G11B25/08
主分类号
G11B25/08
代理机构
代理人
主权项
地址
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