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经营范围
发明名称
Combined musical instrument
摘要
申请公布号
US2761344(A)
申请公布日期
1956.09.04
申请号
US19530348915
申请日期
1953.04.15
申请人
CENTRAL COMMERCIAL INDUSTRIES, INC.
发明人
KOEHL JAMES A.
分类号
G10C5/00
主分类号
G10C5/00
代理机构
代理人
主权项
地址
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