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发明名称
Portamento valve for brass wind instruments
摘要
申请公布号
US2608122(A)
申请公布日期
1952.08.26
申请号
US19500151003
申请日期
1950.03.21
申请人
ANTON SOLARZ
发明人
SOLARZ ANTON
分类号
G10D7/10
主分类号
G10D7/10
代理机构
代理人
主权项
地址
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