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发明名称
Phonographic record disk
摘要
申请公布号
US2565035(A)
申请公布日期
1951.08.21
申请号
US19470759153
申请日期
1947.07.05
申请人
INTERNATIONAL MUTOSCOPE CORPORATION
发明人
LISSIANSKY ALEXANDER
分类号
G11B3/70
主分类号
G11B3/70
代理机构
代理人
主权项
地址
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