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发明名称
Phonograph
摘要
申请公布号
US2579175(A)
申请公布日期
1951.12.18
申请号
US19500138472
申请日期
1950.01.13
申请人
WEBSTER-CHICAGO CORPORATION
发明人
DALE COLIN B.
分类号
G11B3/08;G11B17/02;G11B17/16
主分类号
G11B3/08
代理机构
代理人
主权项
地址
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