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发明名称
Thumb rest for clarinets or other musical instruments
摘要
申请公布号
US2803983(A)
申请公布日期
1957.08.27
申请号
US19560588449
申请日期
1956.05.31
申请人
CLEM DOWLING
发明人
DOWLING CLEM
分类号
G10D9/00
主分类号
G10D9/00
代理机构
代理人
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