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发明名称
Phonograph
摘要
申请公布号
US2016887(A)
申请公布日期
1935.10.08
申请号
US19320588274
申请日期
1932.01.23
申请人
THOMAS A. EDISON, INCORPORATED
发明人
BROWN THOMAS C.
分类号
G11B25/02
主分类号
G11B25/02
代理机构
代理人
主权项
地址
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