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经营范围
发明名称
Automatic phonograph
摘要
申请公布号
US2132993(A)
申请公布日期
1938.10.11
申请号
US19360097498
申请日期
1936.08.24
申请人
THE RUDOLPH WURLITZER COMPANY
发明人
MITCBELL JOHN R.
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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