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发明名称
Perforated reed for wind instruments
摘要
申请公布号
US2456299(A)
申请公布日期
1948.12.14
申请号
US19470793578
申请日期
1947.12.24
申请人
JULES MILLER
发明人
MILLER JULES
分类号
G10D9/02
主分类号
G10D9/02
代理机构
代理人
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