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发明名称
A key for a musical instrument
摘要
申请公布号
GB2241369(A)
申请公布日期
1991.08.28
申请号
GB19900004012
申请日期
1990.02.22
申请人
* LYONS CLARINET COMPANY LIMITED
发明人
IAN TREVOR * DAMPNEY
分类号
G10D9/04
主分类号
G10D9/04
代理机构
代理人
主权项
地址
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