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发明名称
Piano case structure
摘要
申请公布号
US2232445(A)
申请公布日期
1941.02.18
申请号
US19400343677
申请日期
1940.07.03
申请人
CONTINENTAL MUSIC COMPANY, INC.
发明人
GAZLAY PAUL M.
分类号
G10C3/02
主分类号
G10C3/02
代理机构
代理人
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地址
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