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发明名称
Improvements relating to musical instruments
摘要
申请公布号
GB716088(A)
申请公布日期
1954.09.29
申请号
GB19520027181
申请日期
1952.10.29
申请人
MIGUEL ANGEL MASCARELLO
发明人
分类号
G10H3/18
主分类号
G10H3/18
代理机构
代理人
主权项
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