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发明名称
Mouthpiece for brass wind instruments
摘要
申请公布号
US2018738(A)
申请公布日期
1935.10.29
申请号
US19330702154
申请日期
1933.12.13
申请人
JOHN PARDUBA
发明人
PARDUBA JOHN
分类号
G10D9/02
主分类号
G10D9/02
代理机构
代理人
主权项
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