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经营范围
发明名称
Mechanism for selectively reproducing, repeating, and charting sound record material
摘要
申请公布号
US2201204(A)
申请公布日期
1940.05.21
申请号
US19370179998
申请日期
1937.12.15
申请人
TRANSLAPHON CORPORATION
发明人
RUNYAN ARTHUR L.
分类号
G11B3/08
主分类号
G11B3/08
代理机构
代理人
主权项
地址
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