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发明名称
Musical instrument
摘要
申请公布号
US2292232(A)
申请公布日期
1942.08.04
申请号
US19410424820
申请日期
1941.12.29
申请人
EMIL LISKE
发明人
LISKE EMIL
分类号
G10D3/04
主分类号
G10D3/04
代理机构
代理人
主权项
地址
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