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经营范围
发明名称
Musical wind instrument
摘要
申请公布号
US1932742(A)
申请公布日期
1933.10.31
申请号
US19320642355
申请日期
1932.11.12
申请人
FRED KULL
发明人
KULL FRED
分类号
G10D9/04
主分类号
G10D9/04
代理机构
代理人
主权项
地址
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