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经营范围
发明名称
Saxophone mouthpiece
摘要
申请公布号
US2494231(A)
申请公布日期
1950.01.10
申请号
US19450582702
申请日期
1945.03.14
申请人
DUNN ALLEN P
发明人
DUNN ALLEN P.
分类号
G10D9/02
主分类号
G10D9/02
代理机构
代理人
主权项
地址
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