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发明名称
Musical wind instrument key stop
摘要
申请公布号
US3191482(A)
申请公布日期
1965.06.29
申请号
US19640405104
申请日期
1964.10.20
申请人
LEON LEBLANC
发明人
LEBLANC LEON
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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