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发明名称
Protector for reeds on musical instruments
摘要
申请公布号
US2502558(A)
申请公布日期
1950.04.04
申请号
US19480054436
申请日期
1948.10.14
申请人
COSTELLO FRANK T
发明人
COSTELLO FRANK T.
分类号
G10D9/02
主分类号
G10D9/02
代理机构
代理人
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地址
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