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发明名称
Adjustable mouthpieces for brass wind instruments
摘要
申请公布号
US2758497(A)
申请公布日期
1956.08.14
申请号
US19540477290
申请日期
1954.12.23
申请人
SARAD WALTER J
发明人
SARAD WALTER J.
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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