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经营范围
发明名称
Electrical musical instrument
摘要
申请公布号
US2500820(A)
申请公布日期
1950.03.14
申请号
US19450616079
申请日期
1945.09.13
申请人
HAMMOND INSTRUMENT COMPANY
发明人
HANERT JOHN M.
分类号
G10H1/06
主分类号
G10H1/06
代理机构
代理人
主权项
地址
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