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发明名称
Electronic keyboard instrument
摘要
申请公布号
US2492320(A)
申请公布日期
1949.12.27
申请号
US19470747100
申请日期
1947.05.09
申请人
BENDIX AVIATION CORPORATION
发明人
RIGGEN THEODORE K.
分类号
G10H1/18
主分类号
G10H1/18
代理机构
代理人
主权项
地址
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