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发明名称
Method of and apparatus for tuning reeds of musical instruments
摘要
申请公布号
US2230222(A)
申请公布日期
1941.02.04
申请号
US19400319468
申请日期
1940.02.17
申请人
HARMOTONE COMPANY, INC.
发明人
HAGER EMIL F.
分类号
G10D9/02
主分类号
G10D9/02
代理机构
代理人
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地址
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