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发明名称
Musical instrument
摘要
申请公布号
US2260066(A)
申请公布日期
1941.10.21
申请号
US19410398414
申请日期
1941.06.17
申请人
BALTHASAR VITALIS
发明人
VITALIS BALTHASAR
分类号
G10D3/02
主分类号
G10D3/02
代理机构
代理人
主权项
地址
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