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发明名称
Electrical musical instrument
摘要
申请公布号
US2161706(A)
申请公布日期
1939.06.06
申请号
US19370129344
申请日期
1937.03.06
申请人
LAURENS HAMMOND
发明人
HAMMOND LAURENS
分类号
G10H1/057
主分类号
G10H1/057
代理机构
代理人
主权项
地址
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