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发明名称
Phonograph
摘要
申请公布号
US1873358(A)
申请公布日期
1932.08.23
申请号
US19270176432
申请日期
1927.03.18
申请人
STROMBERGCARLSON TELEPHONE MANUFACTURING COMPANY
发明人
STOCKTON JACK POTTER
分类号
G11B17/16
主分类号
G11B17/16
代理机构
代理人
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