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发明名称
Automatic phonograph control mechanism
摘要
申请公布号
US2370875(A)
申请公布日期
1945.03.06
申请号
US19430472442
申请日期
1943.01.15
申请人
FARNSWORTH TELEVISION AND RADIO CORPORATION
发明人
PRESSLEY JACKSON HARD
分类号
G11B3/085;G11B17/04
主分类号
G11B3/085
代理机构
代理人
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