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发明名称
Process and apparatus for regulation of tone-producing quality of hammers in stringed musical instruments
摘要
申请公布号
US1785165(A)
申请公布日期
1930.12.16
申请号
US19280278858
申请日期
1928.05.18
申请人
CARLTON WOODS CHARLES
发明人
WOODS CHARLES CARLTON
分类号
G10C3/18
主分类号
G10C3/18
代理机构
代理人
主权项
地址
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