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经营范围
发明名称
Automatic phonograph
摘要
申请公布号
US1938810(A)
申请公布日期
1933.12.12
申请号
US19300496082
申请日期
1930.11.17
申请人
THE CAPEHART CORPORATION
发明人
COLLISON EDWARD E.;LANNERD PAUL U.
分类号
G11B17/16
主分类号
G11B17/16
代理机构
代理人
主权项
地址
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