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发明名称
Transposing harmonica
摘要
申请公布号
US2496511(A)
申请公布日期
1950.02.07
申请号
US19470736842
申请日期
1947.03.24
申请人
ABBOTT MERRILL F
发明人
ABBOTT MERRILL F.
分类号
G10D7/12
主分类号
G10D7/12
代理机构
代理人
主权项
地址
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