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发明名称
Stringed musical instrument
摘要
申请公布号
US1809710(A)
申请公布日期
1931.06.09
申请号
US19280292567
申请日期
1928.07.13
申请人
KAUFMAN JOHN T;CHRIS KAUFMAN
发明人
KAUFMAN JOHN T.;KAUFMAN CHRIS
分类号
G10D3/14
主分类号
G10D3/14
代理机构
代理人
主权项
地址
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